Stephan Ewen created FLINK-1315: ----------------------------------- Summary: Spurious failure in compiler due to corrupt branch tracking logic Key: FLINK-1315 URL: https://issues.apache.org/jira/browse/FLINK-1315 Project: Flink Issue Type: Improvement Components: Optimizer Affects Versions: 0.8-incubating Reporter: Stephan Ewen Assignee: Stephan Ewen Fix For: 0.8-incubating
The optimizer fails in that case with the following stack trace: {code} Exception in thread "main" org.apache.flink.compiler.CompilerException: Bug: Tracing dams for deadlock detection is broken. at org.apache.flink.compiler.dag.TwoInputNode.placePipelineBreakersIfNecessary(TwoInputNode.java:618) at org.apache.flink.compiler.dag.TwoInputNode.instantiate(TwoInputNode.java:553) at org.apache.flink.compiler.dag.TwoInputNode.addLocalCandidates(TwoInputNode.java:504) at org.apache.flink.compiler.dag.TwoInputNode.getAlternativePlans(TwoInputNode.java:436) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.TwoInputNode.getAlternativePlans(TwoInputNode.java:305) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.TwoInputNode.getAlternativePlans(TwoInputNode.java:305) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.TwoInputNode.getAlternativePlans(TwoInputNode.java:305) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:268) at org.apache.flink.compiler.dag.BinaryUnionNode.getAlternativePlans(BinaryUnionNode.java:105) at org.apache.flink.compiler.dag.BinaryUnionNode.getAlternativePlans(BinaryUnionNode.java:104) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.BulkIterationNode.instantiateCandidate(BulkIterationNode.java:296) at org.apache.flink.compiler.dag.SingleInputNode.addLocalCandidates(SingleInputNode.java:367) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:315) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.BinaryUnionNode.getAlternativePlans(BinaryUnionNode.java:105) at org.apache.flink.compiler.dag.BinaryUnionNode.getAlternativePlans(BinaryUnionNode.java:104) at org.apache.flink.compiler.dag.SingleInputNode.getAlternativePlans(SingleInputNode.java:258) at org.apache.flink.compiler.dag.DataSinkNode.getAlternativePlans(DataSinkNode.java:194) at org.apache.flink.compiler.PactCompiler.compile(PactCompiler.java:561) at org.apache.flink.compiler.PactCompiler.compile(PactCompiler.java:466) at org.apache.flink.client.LocalExecutor.executePlan(LocalExecutor.java:233) at org.apache.flink.api.java.LocalEnvironment.execute(LocalEnvironment.java:51) at org.apache.flink.api.scala.ExecutionEnvironment.execute(ExecutionEnvironment.scala:391) {code} The program that fails in the optimizer is from a user. I have not been able to reduce it significantly into a standalone test case that reproduces the bug. -- This message was sent by Atlassian JIRA (v6.3.4#6332)