Lars Volker created IMPALA-8252:
-----------------------------------
Summary: Impala writes malformed thrift profiles
Key: IMPALA-8252
URL: https://issues.apache.org/jira/browse/IMPALA-8252
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 3.2.0
Reporter: Lars Volker
Assignee: Lars Volker
The change for IMPALA-1048 writes TRuntimeProfileNode.meta_data
unconditionally, even when both its fields are unset. This trips up the Java
reader code, which expects to find exactly one type of a union to be set. The
resulting error looks like this:
{noformat}
Caused by: org.apache.thrift.protocol.TProtocolException: Unrecognized type 0
at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:144)
at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:60)
at
com.cloudera.impala.thrift.TRuntimeProfileNodeMetadata.standardSchemeReadValue(TRuntimeProfileNodeMetadata.java:163)
at org.apache.thrift.TUnion$TUnionStandardScheme.read(TUnion.java:224)
at org.apache.thrift.TUnion$TUnionStandardScheme.read(TUnion.java:213)
at org.apache.thrift.TUnion.read(TUnion.java:138)
at
com.cloudera.impala.thrift.TRuntimeProfileNode$TRuntimeProfileNodeStandardScheme.read(TRuntimeProfileNode.java:1532)
at
com.cloudera.impala.thrift.TRuntimeProfileNode$TRuntimeProfileNodeStandardScheme.read(TRuntimeProfileNode.java:1341)
at
com.cloudera.impala.thrift.TRuntimeProfileNode.read(TRuntimeProfileNode.java:1187)
at
com.cloudera.impala.thrift.TRuntimeProfileTree$TRuntimeProfileTreeStandardScheme.read(TRuntimeProfileTree.java:426)
at
com.cloudera.impala.thrift.TRuntimeProfileTree$TRuntimeProfileTreeStandardScheme.read(TRuntimeProfileTree.java:405)
at
com.cloudera.impala.thrift.TRuntimeProfileTree.read(TRuntimeProfileTree.java:339)
at org.apache.thrift.TDeserializer.deserialize(TDeserializer.java:81)
at org.apache.thrift.TDeserializer.deserialize(TDeserializer.java:67)
at com.cloudera.ipe.util.ThriftUtil.read(ThriftUtil.java:65)
{noformat}
(This particular implementation rewrites the Java namespace for compatibility
reasons, but the code used the latest master commit's thrift files.)
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