private void commit(Thread thread, TransactionImpl tx)
throws SystemException, HeuristicMixedException, HeuristicRollbackException {
// mark as commit in log done TxImpl.doCommit()
Throwable commitFailureCause = null;
int xaErrorCode = -1;
if (tx.getResourceCount() == 0) {
tx.setStatus(Status.STATUS_COMMITTED);
} else {
try {
tx.doCommit();
} catch (XAException e) {
xaErrorCode = e.errorCode;
log.log(
Level.SEVERE,
"Commit failed, status="
+ getTxStatusAsString(tx.getStatus())
+ ", errorCode="
+ xaErrorCode,
e);
if (tx.getStatus() == Status.STATUS_COMMITTED) {
// this should never be
setTmNotOk(e);
throw logAndReturn(
"TM error tx commit",
new TransactionFailureException(
"commit threw exception but status is committed?", e));
}
} catch (Throwable t) {
log.log(Level.SEVERE, "Commit failed", t);
commitFailureCause = t;
}
}
if (tx.getStatus() != Status.STATUS_COMMITTED) {
try {
tx.doRollback();
} catch (Throwable e) {
log.log(
Level.SEVERE,
"Unable to rollback transaction. "
+ "Some resources may be commited others not. "
+ "Neo4j kernel should be SHUTDOWN for "
+ "resource maintance and transaction recovery ---->",
e);
setTmNotOk(e);
String commitError;
if (commitFailureCause != null) {
commitError = "error in commit: " + commitFailureCause;
} else {
commitError = "error code in commit: " + xaErrorCode;
}
String rollbackErrorCode = "Uknown error code";
if (e instanceof XAException) {
rollbackErrorCode = Integer.toString(((XAException) e).errorCode);
}
throw logAndReturn(
"TM error tx commit",
Exceptions.withCause(
new HeuristicMixedException(
"Unable to rollback ---> "
+ commitError
+ " ---> error code for rollback: "
+ rollbackErrorCode),
e));
}
tx.doAfterCompletion();
txThreadMap.remove(thread);
try {
if (tx.isGlobalStartRecordWritten()) {
getTxLog().txDone(tx.getGlobalId());
}
} catch (IOException e) {
log.log(Level.SEVERE, "Error writing transaction log", e);
setTmNotOk(e);
throw logAndReturn(
"TM error tx commit",
Exceptions.withCause(
new SystemException(
"TM encountered a problem, " + " error writing transaction log"),
e));
}
tx.setStatus(Status.STATUS_NO_TRANSACTION);
if (commitFailureCause == null) {
throw logAndReturn(
"TM error tx commit",
new HeuristicRollbackException(
"Failed to commit, transaction rolledback ---> "
+ "error code was: "
+ xaErrorCode));
} else {
throw logAndReturn(
"TM error tx commit",
Exceptions.withCause(
new HeuristicRollbackException(
"Failed to commit, transaction rolledback ---> " + commitFailureCause),
commitFailureCause));
}
}
tx.doAfterCompletion();
txThreadMap.remove(thread);
try {
if (tx.isGlobalStartRecordWritten()) {
getTxLog().txDone(tx.getGlobalId());
}
} catch (IOException e) {
log.log(Level.SEVERE, "Error writing transaction log", e);
setTmNotOk(e);
throw logAndReturn(
"TM error tx commit",
Exceptions.withCause(
new SystemException("TM encountered a problem, " + " error writing transaction log"),
e));
}
tx.setStatus(Status.STATUS_NO_TRANSACTION);
}
