Hi Yerui, >From the travis UT log, although all tests passed, but still some error log, could you please check if these are false positive warning?
https://s3.amazonaws.com/archive.travis-ci.org/jobs/193325284/log.txt 2017-01-19 09:49:10,806 WARN [main FSInputChecker:157]: Problem opening checksum file: file:/tmp/kylin_append_dict/kylin_default_instance/resources/GlobalDictshared_builder/working/.index. Ignoring exception: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:149) at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:341) at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:766) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:364) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:356) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:338) at org.apache.kylin.dict.CachedTreeMap.commit(CachedTreeMap.java:280) at org.apache.kylin.dict.AppendTrieDictionary.flushIndex(AppendTrieDictionary.java:1160) at org.apache.kylin.dict.AppendTrieDictionary$Builder.build(AppendTrieDictionary.java:1104) at org.apache.kylin.dict.AppendTrieDictionaryTest.testSharedBuilder(AppendTrieDictionaryTest.java:345) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:367) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:274) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:161) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:290) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:242) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121) 2017-01-19 09:49:10,834 WARN [Thread-1319 FSInputChecker:157]: Problem opening checksum file: file:/tmp/kylin_append_dict/kylin_default_instance/resources/GlobalDictshared_builder/working/.index. Ignoring exception: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:149) at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:341) at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:766) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:364) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:356) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:338) at org.apache.kylin.dict.CachedTreeMap.commit(CachedTreeMap.java:280) at org.apache.kylin.dict.AppendTrieDictionary.flushIndex(AppendTrieDictionary.java:1160) at org.apache.kylin.dict.AppendTrieDictionary$Builder.build(AppendTrieDictionary.java:1104) at org.apache.kylin.dict.AppendTrieDictionaryTest$SharedBuilderThread.run(AppendTrieDictionaryTest.java:325) 2017-01-19 09:49:10,891 WARN [Thread-1318 FSInputChecker:157]: Problem opening checksum file: file:/tmp/kylin_append_dict/kylin_default_instance/resources/GlobalDictshared_builder/working/.index. Ignoring exception: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:197) at java.io.DataInputStream.readFully(DataInputStream.java:169) at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:149) at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:341) at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:766) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:364) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:356) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:338) at org.apache.kylin.dict.CachedTreeMap.commit(CachedTreeMap.java:280) at org.apache.kylin.dict.AppendTrieDictionary.flushIndex(AppendTrieDictionary.java:1160) at org.apache.kylin.dict.AppendTrieDictionary$Builder.build(AppendTrieDictionary.java:1104) at org.apache.kylin.dict.AppendTrieDictionaryTest$SharedBuilderThread.run(AppendTrieDictionaryTest.java:325) 2017-01-19 09:49:10,941 INFO [Thread-1320 CachedTreeMap:170]: Evict cache key (1) with value DictNode[root=, nodes=50001, firstValue=t1_0] caused by EXPLICIT, size 0/0 2017-01-19 09:49:10,942 INFO [Thread-1320 CachedTreeMap:170]: Evict cache key t1_0(4429359) with value DictNode[root=t, nodes=25004, firstValue=t1_0] caused by SIZE, size 2/1 2017-01-19 09:49:10,971 INFO [Thread-1320 CachedTreeMap:170]: Evict cache key t3_23489(-719354539) with value DictNode[root=t3_, nodes=50001, firstValue=t3_23489] caused by EXPLICIT, size 1/0 2017-01-19 09:49:10,971 INFO [Thread-1320 CachedTreeMap:170]: Evict cache key t3_23489(-719354539) with value DictNode[root=t3_, nodes=25005, firstValue=t3_23489] caused by SIZE, size 3/1 2017-01-19 09:49:11,011 INFO [Thread-1320 CachedTreeMap:170]: Evict cache key t3_45990(-717443088) with value DictNode[root=t3_, nodes=50001, firstValue=t3_45990] caused by EXPLICIT, size 2/0 2017-01-19 09:49:11,011 INFO [Thread-1320 CachedTreeMap:170]: Evict cache key t3_45990(-717443088) with value DictNode[root=t3_, nodes=25005, firstValue=t3_45990] caused by SIZE, size 4/1 2017-01-19 09:49:11,057 ERROR [main CachedTreeMap:332]: read value from file:/tmp/kylin_append_dict/kylin_default_instance/resources/GlobalDictshared_builder/working/cached_t1_0 exception: java.io.FileNotFoundException: File file:/tmp/kylin_append_dict/kylin_default_instance/resources/GlobalDictshared_builder/working/cached_t1_0 does not exist java.io.FileNotFoundException: File file:/tmp/kylin_append_dict/kylin_default_instance/resources/GlobalDictshared_builder/working/cached_t1_0 does not exist at org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:534) at org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:747) at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:524) at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:409) at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:140) at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:341) at org.apache.kylin.dict.CachedTreeMap.readValue(CachedTreeMap.java:327) at org.apache.kylin.dict.CachedTreeMap.access$500(CachedTreeMap.java:55) at org.apache.kylin.dict.CachedTreeMap$2.load(CachedTreeMap.java:191) at org.apache.kylin.dict.CachedTreeMap$2.load(CachedTreeMap.java:188) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3599) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2379) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2342) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2257) at com.google.common.cache.LocalCache.get(LocalCache.java:4000) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4004) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4874) at org.apache.kylin.dict.CachedTreeMap.get(CachedTreeMap.java:364) at org.apache.kylin.dict.CachedTreeMap.get(CachedTreeMap.java:55) at org.apache.kylin.dict.AppendTrieDictionary$Builder.addValue(AppendTrieDictionary.java:948) at org.apache.kylin.dict.AppendTrieDictionary$Builder.addValue(AppendTrieDictionary.java:931) at org.apache.kylin.dict.AppendTrieDictionaryTest.testSharedBuilder(AppendTrieDictionaryTest.java:349) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:367) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:274) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:161) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:290) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:242) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121)
