Gary Tully created AMQ-6670: ------------------------------- Summary: KahaDB - Inconsistent error handling on corrupt journal reads Key: AMQ-6670 URL: https://issues.apache.org/jira/browse/AMQ-6670 Project: ActiveMQ Issue Type: Bug Components: KahaDB, Message Store Affects Versions: 5.14.0 Reporter: Gary Tully Assignee: Gary Tully Fix For: 5.15.0
When the journal is corrupt, for example if it is overwritten with null or zero. The result of reading from corrupt locations is inconsistent. Errors occur but not all result in a trip to the IOExceptionHander where the option to stop the broker is available. ClassCastExceptions and RuntimeExceptions can bubble up to the cursors in error. {code}ERROR | Failed to page in more queue messages | org.apache.activemq.broker.region.Queue | ActiveMQ BrokerService[XXXXX] Task-300 java.lang.RuntimeException: java.lang.RuntimeException: java.lang.ClassCastException: org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be cast to org.apache.activemq.store.kahadb.data.KahaAddMessageCommand at org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:145){code} or {code}ERROR | Failed to load message at: 1084:12816246 | org.apache.activemq.store.kahadb.KahaDBStore | ActiveMQ BrokerService[XXXX] Task-702 org.apache.activemq.protobuf.InvalidProtocolBufferException: Protocol message contained an invalid tag (zero). at org.apache.activemq.protobuf.InvalidProtocolBufferException.invalidTag(InvalidProtocolBufferException.java:48) at org.apache.activemq.protobuf.CodedInputStream.readTag(CodedInputStream.java:75) {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)