Hi, I tried to build flink-streaming-examples, but got an compilation error. If I build flink-streaming (that implicitly builds flink-streaming-examples), it works.
I tried it on a fresh clone of flink/master using "mvn clean compile test-compile" Can anybody explain this behavior? -Matthias > mjsax@T420s-dbis-mjsax:~/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples$ > mvn clean compile test-compile > [INFO] Scanning for projects... > [WARNING] > [WARNING] Some problems were encountered while building the effective model > for org.apache.flink:flink-streaming-examples:jar:0.9-SNAPSHOT > [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but > found duplicate declaration of plugin > org.apache.maven.plugins:maven-jar-plugin @ line 462, column 12 > [WARNING] > [WARNING] It is highly recommended to fix these problems because they > threaten the stability of your build. > [WARNING] > [WARNING] For this reason, future Maven versions might no longer support > building such malformed projects. > [WARNING] > [INFO] > > [INFO] > ------------------------------------------------------------------------ > [INFO] Building flink-streaming-examples 0.9-SNAPSHOT > [INFO] > ------------------------------------------------------------------------ > [INFO] > [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ > flink-streaming-examples --- > [INFO] Deleting > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/target > [INFO] > [INFO] --- maven-checkstyle-plugin:2.12.1:check (validate) @ > flink-streaming-examples --- > [INFO] > [INFO] > [INFO] --- maven-enforcer-plugin:1.3.1:enforce (enforce-maven) @ > flink-streaming-examples --- > [INFO] > [INFO] --- build-helper-maven-plugin:1.7:add-source (add-source) @ > flink-streaming-examples --- > [INFO] Source directory: > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/main/scala > added. > [INFO] > [INFO] --- maven-remote-resources-plugin:1.5:process (default) @ > flink-streaming-examples --- > [INFO] > [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ > flink-streaming-examples --- > [INFO] Using 'UTF-8' encoding to copy filtered resources. > [INFO] skip non existing resourceDirectory > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/main/resources > [INFO] Copying 3 resources > [INFO] > [INFO] --- scala-maven-plugin:3.1.4:compile (scala-compile-first) @ > flink-streaming-examples --- > [INFO] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/main/java:-1: > info: compiling > [INFO] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/main/scala:-1: > info: compiling > [INFO] Compiling 14 source files to > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/target/classes > at 1424877113889 > [INFO] compiler plugin: > BasicArtifact(org.scalamacros,paradise_2.10.4,2.0.1,null) > [WARNING] warning: there were 1 deprecation warning(s); re-run with > -deprecation for details > [WARNING] one warning found > [INFO] prepare-compile in 0 s > [INFO] compile in 10 s > [INFO] > [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ > flink-streaming-examples --- > [INFO] Changes detected - recompiling the module! > [INFO] Compiling 10 source files to > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/target/classes > [INFO] > [INFO] --- maven-checkstyle-plugin:2.12.1:check (validate) @ > flink-streaming-examples --- > [INFO] > [INFO] > [INFO] --- maven-enforcer-plugin:1.3.1:enforce (enforce-maven) @ > flink-streaming-examples --- > [INFO] > [INFO] --- build-helper-maven-plugin:1.7:add-source (add-source) @ > flink-streaming-examples --- > [INFO] Source directory: > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/main/scala > added. > [INFO] > [INFO] --- maven-remote-resources-plugin:1.5:process (default) @ > flink-streaming-examples --- > [INFO] > [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ > flink-streaming-examples --- > [INFO] Using 'UTF-8' encoding to copy filtered resources. > [INFO] skip non existing resourceDirectory > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/main/resources > [INFO] Copying 3 resources > [INFO] Copying 3 resources > [INFO] > [INFO] --- scala-maven-plugin:3.1.4:compile (scala-compile-first) @ > flink-streaming-examples --- > [INFO] Nothing to compile - all classes are up to date > [INFO] > [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ > flink-streaming-examples --- > [INFO] Nothing to compile - all classes are up to date > [INFO] > [INFO] --- build-helper-maven-plugin:1.7:add-test-source (add-test-source) @ > flink-streaming-examples --- > [INFO] Test Source directory: > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/scala > added. > [INFO] > [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ > flink-streaming-examples --- > [INFO] Using 'UTF-8' encoding to copy filtered resources. > [INFO] skip non existing resourceDirectory > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/resources > [INFO] Copying 3 resources > [INFO] Copying 3 resources > [INFO] > [INFO] --- scala-maven-plugin:3.1.4:testCompile (scala-test-compile) @ > flink-streaming-examples --- > [INFO] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java:-1: > info: compiling > [INFO] Compiling 2 source files to > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/target/test-classes > at 1424877127030 > [INFO] compiler plugin: > BasicArtifact(org.scalamacros,paradise_2.10.4,2.0.1,null) > [INFO] prepare-compile in 0 s > [INFO] compile in 1 s > [INFO] > [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ > flink-streaming-examples --- > [INFO] Changes detected - recompiling the module! > [INFO] Compiling 2 source files to > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/target/test-classes > [INFO] ------------------------------------------------------------- > [ERROR] COMPILATION ERROR : > [INFO] ------------------------------------------------------------- > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[22,39] > cannot find symbol > symbol: class StreamingProgramTestBase > location: package org.apache.flink.streaming.util > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[25,40] > cannot find symbol > symbol: class StreamingProgramTestBase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[23,39] > cannot find symbol > symbol: class StreamingProgramTestBase > location: package org.apache.flink.streaming.util > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[25,38] > cannot find symbol > symbol: class StreamingProgramTestBase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[32,28] > cannot find symbol > symbol: method createTempFile(java.lang.String,java.lang.String) > location: class org.apache.flink.streaming.examples.test.PojoExampleITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[33,30] > cannot find symbol > symbol: method getTempDirPath(java.lang.String) > location: class org.apache.flink.streaming.examples.test.PojoExampleITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[30,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[38,17] > cannot find symbol > symbol: method > compareResultsByLinesInMemory(java.lang.String,java.lang.String) > location: class org.apache.flink.streaming.examples.test.PojoExampleITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[36,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[41,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[32,28] > cannot find symbol > symbol: method createTempFile(java.lang.String,java.lang.String) > location: class org.apache.flink.streaming.examples.test.WordCountITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[33,30] > cannot find symbol > symbol: method getTempDirPath(java.lang.String) > location: class org.apache.flink.streaming.examples.test.WordCountITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[30,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[38,17] > cannot find symbol > symbol: method > compareResultsByLinesInMemory(java.lang.String,java.lang.String) > location: class org.apache.flink.streaming.examples.test.WordCountITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[36,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[41,9] > method does not override or implement a method from a supertype > [INFO] 16 errors > [INFO] ------------------------------------------------------------- > [INFO] > ------------------------------------------------------------------------ > [INFO] BUILD FAILURE > [INFO] > ------------------------------------------------------------------------ > [INFO] Total time: 22.807s > [INFO] Finished at: Wed Feb 25 16:12:08 CET 2015 > [INFO] Final Memory: 45M/504M > [INFO] > ------------------------------------------------------------------------ > [ERROR] Failed to execute goal > org.apache.maven.plugins:maven-compiler-plugin:3.1:testCompile > (default-testCompile) on project flink-streaming-examples: Compilation > failure: Compilation failure: > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[22,39] > cannot find symbol > [ERROR] symbol: class StreamingProgramTestBase > [ERROR] location: package org.apache.flink.streaming.util > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[25,40] > cannot find symbol > [ERROR] symbol: class StreamingProgramTestBase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[23,39] > cannot find symbol > [ERROR] symbol: class StreamingProgramTestBase > [ERROR] location: package org.apache.flink.streaming.util > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[25,38] > cannot find symbol > [ERROR] symbol: class StreamingProgramTestBase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[32,28] > cannot find symbol > [ERROR] symbol: method createTempFile(java.lang.String,java.lang.String) > [ERROR] location: class > org.apache.flink.streaming.examples.test.PojoExampleITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[33,30] > cannot find symbol > [ERROR] symbol: method getTempDirPath(java.lang.String) > [ERROR] location: class > org.apache.flink.streaming.examples.test.PojoExampleITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[30,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[38,17] > cannot find symbol > [ERROR] symbol: method > compareResultsByLinesInMemory(java.lang.String,java.lang.String) > [ERROR] location: class > org.apache.flink.streaming.examples.test.PojoExampleITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[36,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/PojoExampleITCase.java:[41,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[32,28] > cannot find symbol > [ERROR] symbol: method createTempFile(java.lang.String,java.lang.String) > [ERROR] location: class > org.apache.flink.streaming.examples.test.WordCountITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[33,30] > cannot find symbol > [ERROR] symbol: method getTempDirPath(java.lang.String) > [ERROR] location: class > org.apache.flink.streaming.examples.test.WordCountITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[30,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[38,17] > cannot find symbol > [ERROR] symbol: method > compareResultsByLinesInMemory(java.lang.String,java.lang.String) > [ERROR] location: class > org.apache.flink.streaming.examples.test.WordCountITCase > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[36,9] > method does not override or implement a method from a supertype > [ERROR] > /home/mjsax/workspace_flink/dummy/flink/flink-staging/flink-streaming/flink-streaming-examples/src/test/java/org/apache/flink/streaming/examples/test/WordCountITCase.java:[41,9] > method does not override or implement a method from a supertype > [ERROR] -> [Help 1] > [ERROR] > [ERROR] To see the full stack trace of the errors, re-run Maven with the -e > switch. > [ERROR] Re-run Maven using the -X switch to enable full debug logging. > [ERROR] > [ERROR] For more information about the errors and possible solutions, please > read the following articles: > [ERROR] [Help 1] > http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
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