Merge "Merge branch 'neo'"
diff --git a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java
index b9d512b..42cce52 100644
--- a/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java
+++ b/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/LoadRecordFieldsRule.java
@@ -27,6 +27,7 @@
 import org.apache.asterix.algebra.base.OperatorAnnotation;
 import org.apache.asterix.common.exceptions.CompilationException;
 import org.apache.asterix.common.exceptions.ErrorCode;
+import org.apache.asterix.lang.common.util.FunctionUtil;
 import org.apache.asterix.om.base.AInt32;
 import org.apache.asterix.om.base.AString;
 import org.apache.asterix.om.constants.AsterixConstantValue;
@@ -64,7 +65,7 @@
 
 public class LoadRecordFieldsRule implements IAlgebraicRewriteRule {
 
-    private ExtractFieldLoadExpressionVisitor exprVisitor = new ExtractFieldLoadExpressionVisitor();
+    private final ExtractFieldLoadExpressionVisitor exprVisitor = new ExtractFieldLoadExpressionVisitor();
 
     @Override
     public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context) {
@@ -98,13 +99,13 @@
             // checking if we can annotate a Selection as using just one field
             // access
             SelectOperator sigma = (SelectOperator) op1;
-            LinkedList<LogicalVariable> vars = new LinkedList<LogicalVariable>();
+            List<LogicalVariable> vars = new ArrayList<>();
             VariableUtilities.getUsedVariables(sigma, vars);
             if (vars.size() == 1) {
                 // we can annotate Selection
                 AssignOperator assign1 = (AssignOperator) op1.getInputs().get(0).getValue();
-                AbstractLogicalExpression expr1 = (AbstractLogicalExpression) getFirstExpr(assign1);
-                if (expr1.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL) {
+                ILogicalExpression expr1 = getFirstExpr(assign1);
+                if (FunctionUtil.isFieldAccessFunction(expr1)) {
                     AbstractFunctionCallExpression f = (AbstractFunctionCallExpression) expr1;
                     // f should be a call to a field/data access kind of
                     // function
@@ -141,7 +142,7 @@
                     }
                     // create an assign
                     LogicalVariable v = context.newVar();
-                    AssignOperator a2 = new AssignOperator(v, new MutableObject<ILogicalExpression>(f));
+                    AssignOperator a2 = new AssignOperator(v, new MutableObject<>(f));
                     a2.setSourceLocation(expr.getSourceLocation());
                     pushFieldAssign(a2, topOp, context);
                     context.computeAndSetTypeEnvironmentForOperator(a2);
@@ -151,7 +152,7 @@
                         LogicalVariable var = ref.getVariableReference();
                         List<LogicalVariable> keys = context.findPrimaryKey(var);
                         if (keys != null) {
-                            List<LogicalVariable> tail = new ArrayList<LogicalVariable>();
+                            List<LogicalVariable> tail = new ArrayList<>();
                             tail.add(v);
                             FunctionalDependency pk = new FunctionalDependency(keys, tail);
                             context.addPrimaryKey(pk);
@@ -408,5 +409,4 @@
     private static ILogicalExpression getFirstExpr(AssignOperator assign) {
         return assign.getExpressions().get(0).getValue();
     }
-
 }
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml
index 2954227..77fc7c5 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/ObjectsQueries.xml
@@ -248,4 +248,9 @@
       <expected-warn>Duplicate field name 'fname1' (in line 25, at column 45)</expected-warn>
     </compilation-unit>
   </test-case>
+  <test-case FilePath="objects">
+    <compilation-unit name="load-record-fields">
+      <output-dir compare="Text">load-record-fields</output-dir>
+    </compilation-unit>
+  </test-case>
 </test-group>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.1.ddl.sqlpp
new file mode 100644
index 0000000..99898f9
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.1.ddl.sqlpp
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+DROP DATAVERSE test IF EXISTS;
+CREATE DATAVERSE test;
+
+USE test;
+
+CREATE TYPE OpenType AS {
+    id: int
+};
+
+CREATE DATASET MyDataset(OpenType)
+PRIMARY KEY id;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.2.update.sqlpp
new file mode 100644
index 0000000..1f80ae1
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.2.update.sqlpp
@@ -0,0 +1,25 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+USE test;
+
+INSERT INTO MyDataset (
+    {"id": 1, "name": "Alice"},
+    {"id": 2, "name": "Bob"}
+);
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.3.query.sqlpp
new file mode 100644
index 0000000..278f5d2
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.3.query.sqlpp
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+USE test;
+
+-- Disabled for a simpler plan
+SET `compiler.sort.parallel` "false";
+
+
+SELECT VALUE md.name
+FROM MyDataset md
+LET currentData = {"myDate": current_date()}
+WHERE currentData.myDate = current_date()
+ORDER BY md.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.4.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.4.query.sqlpp
new file mode 100644
index 0000000..f44921f
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/objects/load-record-fields/load-record-fields.4.query.sqlpp
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+USE test;
+
+-- Disabled for a simpler plan
+SET `compiler.sort.parallel` "false";
+
+EXPLAIN
+SELECT VALUE md.name
+FROM MyDataset md
+LET currentData = {"myDate": current_date()}
+WHERE currentData.myDate = current_date()
+ORDER BY md.id
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.3.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.3.adm
new file mode 100644
index 0000000..ac2dc97
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.3.adm
@@ -0,0 +1,2 @@
+"Alice"
+"Bob"
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.4.plan b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.4.plan
new file mode 100644
index 0000000..5ac69f3
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/objects/load-record-fields/load-record-fields.4.plan
@@ -0,0 +1,26 @@
+distribute result [$$28]
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  exchange
+  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+    project ([$$28])
+    -- STREAM_PROJECT  |PARTITIONED|
+      exchange
+      -- SORT_MERGE_EXCHANGE [$$30(ASC) ]  |PARTITIONED|
+        project ([$$28, $$30])
+        -- STREAM_PROJECT  |PARTITIONED|
+          select (eq($$31, current-date()))
+          -- STREAM_SELECT  |PARTITIONED|
+            assign [$$31] <- [current-date()]
+            -- ASSIGN  |PARTITIONED|
+              project ([$$30, $$28])
+              -- STREAM_PROJECT  |PARTITIONED|
+                assign [$$28] <- [$$md.getField("name")]
+                -- ASSIGN  |PARTITIONED|
+                  exchange
+                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                    data-scan []<-[$$30, $$md] <- test.MyDataset
+                    -- DATASOURCE_SCAN  |PARTITIONED|
+                      exchange
+                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                        empty-tuple-source
+                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
diff --git a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java
index 42a35f3..1cf88c2 100644
--- a/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java
+++ b/asterixdb/asterix-lang-common/src/main/java/org/apache/asterix/lang/common/util/FunctionUtil.java
@@ -58,6 +58,7 @@
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.common.utils.Triple;
 import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import org.apache.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
 import org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
 import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import org.apache.hyracks.api.exceptions.IWarningCollector;
@@ -303,4 +304,16 @@
                     function.getSignature(), e.getMessage());
         }
     }
+
+    public static boolean isFieldAccessFunction(ILogicalExpression expression) {
+        if (expression.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
+            return false;
+        }
+
+        AbstractFunctionCallExpression funcExpr = (AbstractFunctionCallExpression) expression;
+        FunctionIdentifier fid = funcExpr.getFunctionIdentifier();
+
+        return BuiltinFunctions.FIELD_ACCESS_BY_INDEX.equals(fid) || BuiltinFunctions.FIELD_ACCESS_BY_NAME.equals(fid)
+                || BuiltinFunctions.FIELD_ACCESS_NESTED.equals(fid);
+    }
 }
diff --git a/asterixdb/src/main/licenses/templates/asterix-license.ftl b/asterixdb/src/main/licenses/templates/asterix-license.ftl
index 381d400..f9c969e 100644
--- a/asterixdb/src/main/licenses/templates/asterix-license.ftl
+++ b/asterixdb/src/main/licenses/templates/asterix-license.ftl
@@ -34,8 +34,11 @@
 <#list licenseMap as e>
    <#assign licenseUrl = e.getKey()/>
    <#assign entry = e.getValue()/>
-   <#assign projects = entry.projects/>
+   <#assign projects = entry.nonShadowedProjects/>
    <#assign license = entry.getLicense()/>
+   <#if projects?size == 0>
+     <#continue/>
+   </#if>
    <#if projects?size == 1>
    Component:
      <#assign isare = "is"/>
diff --git a/asterixdb/src/main/licenses/templates/asterix-notice.ftl b/asterixdb/src/main/licenses/templates/asterix-notice.ftl
index c825397..5090cb0 100644
--- a/asterixdb/src/main/licenses/templates/asterix-notice.ftl
+++ b/asterixdb/src/main/licenses/templates/asterix-notice.ftl
@@ -34,6 +34,9 @@
    <#assign projects = e.getValue()/>
 
    <#list projects as p>
+     <#if p.shadowed>
+       <#continue/>
+     </#if>
 ${p.name} (${p.groupId}:${p.artifactId}:${p.version})
        <#list p.locations as loc>
 - ${loc}${p.jarName}
diff --git a/hyracks-fullstack/hyracks-fullstack-license/src/main/licenses/templates/hyracks-notice.ftl b/hyracks-fullstack/hyracks-fullstack-license/src/main/licenses/templates/hyracks-notice.ftl
index 8a2eb05..0cf9378 100644
--- a/hyracks-fullstack/hyracks-fullstack-license/src/main/licenses/templates/hyracks-notice.ftl
+++ b/hyracks-fullstack/hyracks-fullstack-license/src/main/licenses/templates/hyracks-notice.ftl
@@ -30,6 +30,9 @@
    <#assign noticeText = e.getKey()/>
    <#assign projects = e.getValue()/>
    <#list projects as p>
+     <#if p.shadowed>
+       <#continue/>
+     </#if>
 ${p.name} (${p.groupId}:${p.artifactId}:${p.version})
        <#list p.locations as loc>
 - ${loc}${p.jarName}
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
index b772ef9..6fa6224 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/NodeHeartbeatWork.java
@@ -28,9 +28,12 @@
 import org.apache.hyracks.control.common.heartbeat.HeartbeatData;
 import org.apache.hyracks.control.common.ipc.NodeControllerRemoteProxy;
 import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 public class NodeHeartbeatWork extends AbstractHeartbeatWork {
 
+    private static final Logger LOGGER = LogManager.getLogger();
     private final InetSocketAddress ncAddress;
 
     public NodeHeartbeatWork(ClusterControllerService ccs, String nodeId, HeartbeatData hbData,
@@ -47,6 +50,8 @@
             ncState.getNodeController().heartbeatAck(ccs.getCcId(), null);
         } else {
             // unregistered nc- let him know
+            LOGGER.info("received a heartbeat from unregistered node {}; sending negative ack to node address {}",
+                    nodeId, ncAddress);
             NodeControllerRemoteProxy nc =
                     new NodeControllerRemoteProxy(ccs.getCcId(), ccs.getClusterIPC().getReconnectingHandle(ncAddress));
             nc.heartbeatAck(ccs.getCcId(), HyracksDataException.create(ErrorCode.NO_SUCH_NODE, nodeId));
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/DownloadLicensesMojo.java b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/DownloadLicensesMojo.java
index 293c08c..c8980cd 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/DownloadLicensesMojo.java
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/DownloadLicensesMojo.java
@@ -63,7 +63,7 @@
                 String fileName = entry.getLicense().getContentFile(false);
                 doDownload(timeoutMillis, i, url, fileName);
             });
-        } catch (ProjectBuildingException e) {
+        } catch (ProjectBuildingException | IOException e) {
             throw new MojoExecutionException("Unexpected exception: " + e, e);
         }
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java
index 347c19a..2c7a23b 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/GenerateFileMojo.java
@@ -43,6 +43,7 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Properties;
 import java.util.Set;
 import java.util.SortedMap;
 import java.util.SortedSet;
@@ -56,15 +57,22 @@
 import java.util.regex.Pattern;
 
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.tuple.Pair;
 import org.apache.hyracks.maven.license.freemarker.IndentDirective;
 import org.apache.hyracks.maven.license.freemarker.LoadFileDirective;
 import org.apache.hyracks.maven.license.project.LicensedProjects;
 import org.apache.hyracks.maven.license.project.Project;
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.artifact.DefaultArtifact;
+import org.apache.maven.artifact.handler.ArtifactHandler;
+import org.apache.maven.artifact.handler.DefaultArtifactHandler;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.annotations.ResolutionScope;
+import org.apache.maven.project.MavenProject;
 import org.apache.maven.project.ProjectBuildingException;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -110,6 +118,11 @@
     @Parameter
     private boolean stripFoundationAssertionFromNotices = false;
 
+    @Parameter
+    private boolean includeShadowedDependencies = true;
+    @Parameter
+    private boolean validateShadowLicenses = false;
+
     private SortedMap<String, SortedSet<Project>> noticeMap;
 
     @java.lang.Override
@@ -143,11 +156,12 @@
         }
         licenseSpecs.addAll(urlToLicenseMap.values());
         for (LicenseSpec license : licenseSpecs) {
-            resolveArtifactContent(license, true);
+            resolveArtifactContent(license, true, false);
         }
     }
 
-    private String resolveArtifactContent(ArtifactSpec artifact, boolean bestEffort) throws IOException {
+    private String resolveArtifactContent(ArtifactSpec artifact, boolean bestEffort, boolean suppressWarning)
+            throws IOException {
         if (artifact.getContent() == null) {
             getLog().debug("Resolving content for " + artifact.getUrl() + " (" + artifact.getContentFile() + ")");
             File cFile = new File(artifact.getContentFile());
@@ -161,7 +175,9 @@
             }
             if (!cFile.exists()) {
                 if (!bestEffort) {
-                    getLog().warn("MISSING: content file (" + cFile + ") for url: " + artifact.getUrl());
+                    if (!suppressWarning) {
+                        getLog().warn("MISSING: content file (" + cFile + ") for url: " + artifact.getUrl());
+                    }
                     artifact.setContent("MISSING: " + artifact.getContentFile() + " (" + artifact.getUrl() + ")");
                 }
             } else {
@@ -268,10 +284,12 @@
             for (Project p : lps.getProjects()) {
                 String licenseText = p.getLicenseText();
                 if (licenseText == null) {
-                    warnUnlessFlag(p.gav(), IGNORE_MISSING_EMBEDDED_LICENSE,
-                            "Using license other than from within artifact: " + p.gav() + " (" + lps.getLicense()
-                                    + ")");
-                    licenseText = resolveArtifactContent(lps.getLicense(), false);
+                    if (validateProjectLicense(p)) {
+                        warnUnlessFlag(p.gav(), IGNORE_MISSING_EMBEDDED_LICENSE,
+                                "Using license other than from within artifact: " + p.gav() + " (" + lps.getLicense()
+                                        + ")");
+                    }
+                    licenseText = resolveArtifactContent(lps.getLicense(), false, !validateProjectLicense(p));
                 }
                 LicenseSpec spec = lps.getLicense();
                 if (spec.getDisplayName() == null) {
@@ -297,6 +315,10 @@
         licenseMap = licenseMap2;
     }
 
+    private boolean validateProjectLicense(Project p) {
+        return !p.isShadowed() || validateShadowLicenses;
+    }
+
     private Set<Project> getProjects() {
         Set<Project> projects = new HashSet<>();
         licenseMap.values().forEach(p -> projects.addAll(p.getProjects()));
@@ -309,9 +331,11 @@
             String noticeText = p.getNoticeText();
             if (noticeText == null && noticeOverrides.containsKey(p.gav())) {
                 String noticeUrl = noticeOverrides.get(p.gav());
-                warnUnlessFlag(p.gav(), IGNORE_NOTICE_OVERRIDE,
-                        "Using notice other than from within artifact: " + p.gav() + " (" + noticeUrl + ")");
-                p.setNoticeText(resolveArtifactContent(new NoticeSpec(noticeUrl), false));
+                if (validateProjectLicense(p)) {
+                    warnUnlessFlag(p.gav(), IGNORE_NOTICE_OVERRIDE,
+                            "Using notice other than from within artifact: " + p.gav() + " (" + noticeUrl + ")");
+                }
+                p.setNoticeText(resolveArtifactContent(new NoticeSpec(noticeUrl), false, p.isShadowed()));
             } else if (noticeText == null && !noticeOverrides.containsKey(p.gav())
                     && Boolean.TRUE.equals(getProjectFlag(p.gav(), IGNORE_NOTICE_OVERRIDE))) {
                 getLog().warn(p + " has IGNORE_NOTICE_OVERRIDE flag set, but no override defined...");
@@ -370,7 +394,7 @@
                 // this seems way too liberal
                 filter = entry -> entry.getName().matches("(.*/|^)" + "NOTICE" + "(.(txt|md))?");
                 consumer = Project::setNoticeText;
-                contentTransformer = UnaryOperator.identity();
+                contentTransformer = getNoticeFileContentTransformer();
                 break;
             case LICENSE:
                 name = "LICENSE";
@@ -381,8 +405,7 @@
                 // this seems way too liberal
                 filter = entry -> entry.getName().matches("(.*/|^)" + "LICENSE" + "(.(txt|md))?");
                 consumer = Project::setLicenseText;
-                contentTransformer = stripFoundationAssertionFromNotices
-                        ? text -> FOUNDATION_PATTERN.matcher(text).replaceAll("") : UnaryOperator.identity();
+                contentTransformer = UnaryOperator.identity();
                 break;
             default:
                 throw new IllegalStateException("NYI: " + artifact);
@@ -394,6 +417,9 @@
             } else if (!artifactFile.getName().endsWith(".jar")) {
                 getLog().info("Skipping unknown artifact file type: " + artifactFile);
                 continue;
+            } else if (!validateShadowLicenses && p.isShadowed()) {
+                getLog().info("Skipping shadowed project: " + p.gav());
+                continue;
             }
             String alternateFilename = (String) getProjectFlag(p.gav(), alternateFilenameFlag);
             Predicate<JarEntry> finalFilter =
@@ -472,4 +498,76 @@
         }
         return matches;
     }
+
+    private UnaryOperator<String> getNoticeFileContentTransformer() {
+        UnaryOperator<String> transformer;
+        if (stripFoundationAssertionFromNotices) {
+            transformer = text -> FOUNDATION_PATTERN.matcher(text).replaceAll("");
+        } else {
+            transformer = UnaryOperator.identity();
+        }
+        return transformer;
+    }
+
+    @java.lang.Override
+    protected void gatherProjectDependencies(MavenProject project,
+            Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap,
+            Map<String, MavenProject> dependencyGavMap) throws ProjectBuildingException, MojoExecutionException {
+        super.gatherProjectDependencies(project, dependencyLicenseMap, dependencyGavMap);
+        gatherShadowedDependencies(dependencyLicenseMap, dependencyGavMap);
+    }
+
+    @java.lang.Override
+    protected void processExtraDependencies(Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap,
+            Map<String, MavenProject> dependencyGavMap) throws ProjectBuildingException, MojoExecutionException {
+        super.processExtraDependencies(dependencyLicenseMap, dependencyGavMap);
+        gatherShadowedDependencies(dependencyLicenseMap, dependencyGavMap);
+    }
+
+    private void gatherShadowedDependencies(Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap,
+            Map<String, MavenProject> dependencyGavMap) throws MojoExecutionException, ProjectBuildingException {
+        Set<MavenProject> projects = new TreeSet<>(Comparator.comparing(MavenProject::getId));
+        if (!includeShadowedDependencies) {
+            getLog().info("Not gathering shadowed dependencies as 'includeShadowedDependencies' is set to "
+                    + includeShadowedDependencies);
+            return;
+        }
+        projects.addAll(dependencyLicenseMap.keySet());
+        for (MavenProject p : projects) {
+            boolean finished = false;
+            File artifactFile = p.getArtifact().getFile();
+            if (!artifactFile.exists()) {
+                throw new MojoExecutionException("Artifact file " + artifactFile + " does not exist!");
+            } else if (!artifactFile.getName().endsWith(".jar")) {
+                getLog().info("Skipping unknown artifact file type: " + artifactFile);
+                finished = true;
+            }
+            if (!finished) {
+                try (JarFile jarFile = new JarFile(artifactFile)) {
+                    SortedMap<String, JarEntry> matches = gatherMatchingEntries(jarFile,
+                            entry -> entry.getName().matches("(.*/|^)" + "pom\\.properties"));
+                    if (!matches.isEmpty()) {
+                        for (JarEntry entry : matches.values()) {
+                            Properties props = new Properties();
+                            props.load(jarFile.getInputStream(entry));
+                            String groupId = props.getProperty("groupId");
+                            String artifactId = props.getProperty("artifactId");
+                            String version = props.getProperty("version");
+                            String gav = groupId + ":" + artifactId + ":" + version;
+                            if (!dependencyGavMap.containsKey(gav)) {
+                                getLog().info("adding " + gav + " (shadowed from " + p.getId() + ")");
+                                ArtifactHandler handler = new DefaultArtifactHandler("jar");
+                                String[] gavParts = StringUtils.split(gav, ':');
+                                Artifact manualDep = new DefaultArtifact(gavParts[0], gavParts[1], gavParts[2],
+                                        Artifact.SCOPE_COMPILE, "jar", null, handler);
+                                processArtifact(manualDep, dependencyLicenseMap, dependencyGavMap, true);
+                            }
+                        }
+                    }
+                } catch (IOException e) {
+                    throw new MojoExecutionException(e);
+                }
+            }
+        }
+    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/LicenseMojo.java b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/LicenseMojo.java
index 2206621..73cc695 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/LicenseMojo.java
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/LicenseMojo.java
@@ -70,6 +70,7 @@
 
 public abstract class LicenseMojo extends AbstractMojo {
 
+    private static final String SHADOWED_KEY = LicenseMojo.class.getName() + "_shadowed";
     @Parameter
     protected List<Override> overrides = new ArrayList<>();
 
@@ -249,7 +250,7 @@
         });
     }
 
-    protected void addDependenciesToLicenseMap() throws ProjectBuildingException {
+    protected void addDependenciesToLicenseMap() throws ProjectBuildingException, MojoExecutionException, IOException {
         Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap = gatherDependencies();
         dependencyLicenseMap.forEach((depProject, value) -> {
             Set<String> locations = dependencySets.isEmpty() ? Collections.singleton(location)
@@ -310,7 +311,9 @@
                 licenseUrl = fakeLicenseUrl;
             }
         }
-        addProject(new Project(depProject, depLocation, depProject.getArtifact().getFile()),
+        addProject(
+                new Project(depProject, depLocation, depProject.getArtifact().getFile(),
+                        Boolean.parseBoolean(String.valueOf(depProject.getContextValue(SHADOWED_KEY)))),
                 new LicenseSpec(licenseUrl, displayName), true);
     }
 
@@ -363,11 +366,13 @@
         }
     }
 
-    protected Map<MavenProject, List<Pair<String, String>>> gatherDependencies() throws ProjectBuildingException {
+    protected Map<MavenProject, List<Pair<String, String>>> gatherDependencies()
+            throws ProjectBuildingException, MojoExecutionException, IOException {
         Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap = new HashMap<>();
         Map<String, MavenProject> dependencyGavMap = new HashMap<>();
 
         gatherProjectDependencies(project, dependencyLicenseMap, dependencyGavMap);
+        processExtraDependencies(dependencyLicenseMap, dependencyGavMap);
         for (Override override : overrides) {
 
             // Collect both <gav></gav> and <gavs><gav></gav><gav></gav>...</gavs>
@@ -399,27 +404,40 @@
         return dependencyLicenseMap;
     }
 
-    private void gatherProjectDependencies(MavenProject project,
+    protected void gatherProjectDependencies(MavenProject project,
             Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap,
-            Map<String, MavenProject> dependencyGavMap) throws ProjectBuildingException {
+            Map<String, MavenProject> dependencyGavMap) throws ProjectBuildingException, MojoExecutionException {
         final Set<Artifact> dependencyArtifacts = project.getArtifacts();
         if (dependencyArtifacts != null) {
             for (Artifact depArtifact : dependencyArtifacts) {
-                processArtifact(depArtifact, dependencyLicenseMap, dependencyGavMap);
+                processArtifact(depArtifact, dependencyLicenseMap, dependencyGavMap, false);
             }
         }
-        for (String gav : extraDependencies) {
-            ArtifactHandler handler = new DefaultArtifactHandler("jar");
-            String[] gavParts = StringUtils.split(gav, ':');
-            Artifact manualDep = new DefaultArtifact(gavParts[0], gavParts[1], gavParts[2], Artifact.SCOPE_COMPILE,
-                    "jar", null, handler);
-            processArtifact(manualDep, dependencyLicenseMap, dependencyGavMap);
-        }
     }
 
-    private void processArtifact(Artifact depArtifact,
+    protected void processExtraDependencies(Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap,
+            Map<String, MavenProject> dependencyGavMap) throws ProjectBuildingException, MojoExecutionException {
+        for (String extraDependency : extraDependencies) {
+            String[] gavParts = StringUtils.split(extraDependency, ':');
+            String gav = gavParts[0] + ":" + gavParts[1] + ":" + gavParts[2];
+            if (!dependencyGavMap.containsKey(gav)) {
+                ArtifactHandler handler = new DefaultArtifactHandler("jar");
+                Artifact manualDep = new DefaultArtifact(gavParts[0], gavParts[1], gavParts[2], Artifact.SCOPE_COMPILE,
+                        "jar", null, handler);
+                boolean shadowed = false;
+                if (gavParts.length > 3) {
+                    shadowed = "shadowed".equals(gavParts[3]);
+                }
+                processArtifact(manualDep, dependencyLicenseMap, dependencyGavMap, shadowed);
+            } else {
+                getLog().warn("not adding extra dependency " + gav + " as it is already added");
+            }
+        }
+    }
+
+    protected void processArtifact(Artifact depArtifact,
             Map<MavenProject, List<Pair<String, String>>> dependencyLicenseMap,
-            Map<String, MavenProject> dependencyGavMap) throws ProjectBuildingException {
+            Map<String, MavenProject> dependencyGavMap, boolean shadowed) throws ProjectBuildingException {
         if (!excludedScopes.contains(depArtifact.getScope())) {
             MavenProject dep = resolveDependency(depArtifact);
             if (!depArtifact.isResolved()) {
@@ -442,6 +460,7 @@
                         : (license1.getName() != null ? license1.getName() : "LICENSE_EMPTY_NAME_URL");
                 licenseUrls.add(new ImmutablePair<>(url, license1.getName()));
             }
+            dep.setContextValue(SHADOWED_KEY, shadowed);
             dependencyLicenseMap.put(dep, licenseUrls);
         }
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/LicensedProjects.java b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/LicensedProjects.java
index f6f9f32..31b4a86 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/LicensedProjects.java
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/LicensedProjects.java
@@ -21,6 +21,7 @@
 import java.util.Set;
 import java.util.SortedSet;
 import java.util.TreeSet;
+import java.util.function.Predicate;
 
 import org.apache.hyracks.maven.license.LicenseSpec;
 
@@ -51,6 +52,11 @@
         return projects;
     }
 
+    public SortedSet<Project> getNonShadowedProjects() {
+        return projects.stream().filter(Predicate.not(Project::isShadowed))
+                .collect(() -> new TreeSet<>(Project.PROJECT_COMPARATOR), TreeSet::add, TreeSet::addAll);
+    }
+
     public void addProject(Project project) {
         projects.add(project);
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/Project.java b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/Project.java
index e44914d..a755c05 100644
--- a/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/Project.java
+++ b/hyracks-fullstack/hyracks/hyracks-maven-plugins/license-automation-plugin/src/main/java/org/apache/hyracks/maven/license/project/Project.java
@@ -41,6 +41,7 @@
     private String licenseText;
     private String sourcePointer;
     private String classifier;
+    private final boolean shadowed;
 
     @JsonIgnore
     private MavenProject mavenProject;
@@ -48,7 +49,7 @@
     public static final Comparator<Project> PROJECT_COMPARATOR =
             (o1, o2) -> o1.compareToken().compareTo(o2.compareToken());
 
-    public Project(MavenProject project, String location, File artifactPath) {
+    public Project(MavenProject project, String location, File artifactPath, boolean shadowed) {
         mavenProject = project;
         name = project.getName();
         groupId = project.getGroupId();
@@ -57,6 +58,7 @@
         url = project.getUrl();
         classifier = project.getArtifact().getClassifier();
         this.artifactPath = artifactPath.getPath();
+        this.shadowed = shadowed;
         setLocation(location);
     }
 
@@ -65,7 +67,8 @@
             @JsonProperty("artifactId") String artifactId, @JsonProperty("url") String url,
             @JsonProperty("version") String version, @JsonProperty("location") String location,
             @JsonProperty("artifactPath") String artifactPath, @JsonProperty("noticeText") String noticeText,
-            @JsonProperty("licenseText") String licenseText, @JsonProperty("classifier") String classifier) {
+            @JsonProperty("licenseText") String licenseText, @JsonProperty("classifier") String classifier,
+            @JsonProperty("shadowed") boolean shadowed) {
         this.name = name;
         this.groupId = groupId;
         this.artifactId = artifactId;
@@ -76,6 +79,7 @@
         this.noticeText = noticeText;
         this.licenseText = licenseText;
         this.classifier = classifier;
+        this.shadowed = shadowed;
     }
 
     public String getName() {
@@ -185,6 +189,10 @@
         this.sourcePointer = sourcePointer;
     }
 
+    public boolean isShadowed() {
+        return shadowed;
+    }
+
     @Override
     public String toString() {
         return "Project [" + gav() + "]";