Steps
Forked, cut bug fix branch off of release–0.10.
One line change to fix class loader issue.
Ran mvn clean test in flink-runtime. All 894 tests pass.
Ran ./tools/change-scala-version 2.11 in the root.
Ran mvn clean test -Dscala.version=2.11.7 in flink-runtime.
Expected result
All 894 tests pass. without incident
Actual result
All 894 tests actually did pass, but frequently seeing the exception below in
the log (with context, and also available as a gist:
Discussion: Not sure if this is an issue, but figured I’d ask before submitting
my pull request.
6 > 19:06:15,250 INFO org.apache.flink.runtime.blob.BlobCache
- Downloading e52e6f94e5afa6502299cf982d31105111e1d9a4 from
localhost/127.0.0.1:61157 (retry 5)
6 > 19:06:15,251 DEBUG org.apache.flink.runtime.blob.BlobClient
- GET content addressable BLOB e52e6f94e5afa6502299cf982d31105111e1d9a4
from /127.0.0.1:61170
6 > 19:06:15,251 ERROR org.apache.flink.runtime.blob.BlobCache
- Failed to fetch BLOB e52e6f94e5afa6502299cf982d31105111e1d9a4 from
localhost/127.0.0.1:61157 and store it under
/var/folders/68/82g3zl512nj15b82m5f4nhb40000gn/T/blobStore-dee0aeaa-8199-4024-ba44-4e39154aa8e8/cache/blob_e52e6f94e5afa6502299cf982d31105111e1d9a4
No retries left.
java.io.FileNotFoundException:
/var/folders/68/82g3zl512nj15b82m5f4nhb40000gn/T/blobStore-dee0aeaa-8199-4024-ba44-4e39154aa8e8/cache/blob_e52e6f94e5afa6502299cf982d31105111e1d9a4
(Permission denied)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(FileOutputStream.java:270)
at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
at org.apache.flink.runtime.blob.BlobCache.getURL(BlobCache.java:126)
at
org.apache.flink.runtime.execution.librarycache.BlobLibraryCacheManager.registerReferenceToBlobKeyAndGetURL(BlobLibraryCacheManager.java:245)
at
org.apache.flink.runtime.execution.librarycache.BlobLibraryCacheManager.registerTask(BlobLibraryCacheManager.java:114)
at
org.apache.flink.runtime.execution.librarycache.BlobLibraryCacheManagerTest.testRegisterAndDownload(BlobLibraryCacheManagerTest.java:209)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
Prez Cannady
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