Hi,
my problem is, that very often when i execute the following code:
| public void prepare(GlobalTransaction gtx, String[] groupNames,
BatchReplication[] batchReplication){
| if(isDebug) log.debug("Begin Calling prepare");
| log2pc.info("coordinator begin_commit");
| try{
| Object args[] = {gtx, groupNames, batchReplication};
| Class classes[] = {GlobalTransaction.class,
String[].class, BatchReplication[].class};
|
|
| long startTime = System.currentTimeMillis();
| ArrayList responseList =
partition.callMethodOnCluster(ReplicatedCacheManager.RPC_HANDLE_NAME,
"_rpc_runPrepare", args, classes, false);
| long endTime = System.currentTimeMillis();
| log.debug("Prepare Time\t" + (endTime-startTime));
|
| if
(responsesOk(responseList,ReplicationStatus.SUCCESSFULLY_COMPLETED)){
| log2pc.info("coordinator commit");
| commit(gtx, groupNames);
| }else{
| log2pc.info("coordinator abort");
| rollback(gtx, groupNames);
| }
|
| /*if(isDebug){
| log.debug("The list of responses from the other nodes
are:");
|
| Iterator it = responseList.iterator();
| while(it.hasNext()){
| log.debug("Response = " + it.next());
| }
| }*/
|
|
| }catch(Exception e){
| log.debug("Exception caught in prepare() = " +
e.getMessage());
| }
|
| }
|
|
then only the coordinator (the one executing this) will receive the call and
execute the method _rpc_runPrepare. Then, after 30 to 80 seconds all others
will receive the call and execute it .
How can that happen? I get this problem only in 3 out of 10 tries and without
the problem the call takes less then 100 ms. I'm using JBoss 4.0.2 .
Hope you can help me,
Sebastian
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