Github user mxm commented on the issue:
https://github.com/apache/flink/pull/2275
`RollingFileSink`
```
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.flink.streaming.connectors.fs.RollingSinkSecuredITCase
Formatting using clusterid: testClusterID
java.net.BindException: Permission denied
at java.net.PlainSocketImpl.socketBind(Native Method)
at
java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:382)
at java.net.ServerSocket.bind(ServerSocket.java:375)
at
org.apache.hadoop.hdfs.server.datanode.SecureDataNodeStarter.getSecureResources(SecureDataNodeStarter.java:103)
at
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1213)
at
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:684)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:351)
at
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:332)
at
org.apache.flink.streaming.connectors.fs.RollingSinkSecuredITCase.startSecureCluster(RollingSinkSecuredITCase.java:117)
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.RunBefores.evaluate(RunBefores.java:24)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 6.144 sec
<<< FAILURE! - in
org.apache.flink.streaming.connectors.fs.RollingSinkSecuredITCase
org.apache.flink.streaming.connectors.fs.RollingSinkSecuredITCase Time
elapsed: 6.143 sec <<< ERROR!
java.lang.RuntimeException: Cannot start secure cluster without privileged
resources.
at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:734)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:316)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1848)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1748)
at
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1218)
at
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:684)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:351)
at
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:332)
at
org.apache.flink.streaming.connectors.fs.RollingSinkSecuredITCase.startSecureCluster(RollingSinkSecuredITCase.java:117)
org.apache.flink.streaming.connectors.fs.RollingSinkSecuredITCase Time
elapsed: 6.144 sec <<< ERROR!
java.lang.NullPointerException: null
at
org.apache.flink.streaming.connectors.fs.RollingSinkSecuredITCase.teardownSecureCluster(RollingSinkSecuredITCase.java:135)
```
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