[ https://issues.apache.org/jira/browse/FLINK-6493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated FLINK-6493: -------------------------- Description: {code} && ((partitionStateSerializer == null && ((Snapshot) obj).getPartitionStateSerializer() == null) || partitionStateSerializer.equals(((Snapshot) obj).getPartitionStateSerializer())) && ((partitionStateSerializerConfigSnapshot == null && ((Snapshot) obj).getPartitionStateSerializerConfigSnapshot() == null) || partitionStateSerializerConfigSnapshot.equals(((Snapshot) obj).getPartitionStateSerializerConfigSnapshot())); {code} The null check for partitionStateSerializer / partitionStateSerializerConfigSnapshot is in combination with another clause. This may lead to NPE in the partitionStateSerializer.equals() call. was: {code} && ((partitionStateSerializer == null && ((Snapshot) obj).getPartitionStateSerializer() == null) || partitionStateSerializer.equals(((Snapshot) obj).getPartitionStateSerializer())) && ((partitionStateSerializerConfigSnapshot == null && ((Snapshot) obj).getPartitionStateSerializerConfigSnapshot() == null) || partitionStateSerializerConfigSnapshot.equals(((Snapshot) obj).getPartitionStateSerializerConfigSnapshot())); {code} The null check for partitionStateSerializer / partitionStateSerializerConfigSnapshot is in combination with another clause. This may lead to NPE in the partitionStateSerializer.equals() call. > Ineffective null check in RegisteredOperatorBackendStateMetaInfo#equals() > ------------------------------------------------------------------------- > > Key: FLINK-6493 > URL: https://issues.apache.org/jira/browse/FLINK-6493 > Project: Flink > Issue Type: Bug > Components: State Backends, Checkpointing > Reporter: Ted Yu > Priority: Minor > > {code} > && ((partitionStateSerializer == null && ((Snapshot) > obj).getPartitionStateSerializer() == null) > || partitionStateSerializer.equals(((Snapshot) > obj).getPartitionStateSerializer())) > && ((partitionStateSerializerConfigSnapshot == null && ((Snapshot) > obj).getPartitionStateSerializerConfigSnapshot() == null) > || partitionStateSerializerConfigSnapshot.equals(((Snapshot) > obj).getPartitionStateSerializerConfigSnapshot())); > {code} > The null check for partitionStateSerializer / > partitionStateSerializerConfigSnapshot is in combination with another clause. > This may lead to NPE in the partitionStateSerializer.equals() call. -- This message was sent by Atlassian JIRA (v6.4.14#64029)