Re: Java class hangs when using AIX Runmqtrm
I actually did this a couple of weeks ago and it worked, but just forgot to post it.
Do you know of any negative's to turning JIT (JAVA_COMPILER=none) off."Hossain, Lail {PBSG}" [EMAIL PROTECTED] wrote:
We had similar problem. Add the following line to your script just before you call your java app.
JAVA_COMPILER=NONE
Thank You
Lail S. Hossain-Original Message-From: Troy Wells [mailto:[EMAIL PROTECTED]Sent: Monday, June 30, 2003 6:51 PMTo: [EMAIL PROTECTED]Subject: Java class hangs when using AIX Runmqtrm
Hi all. We currently have MQSeries 5.3 installed on an AIX 5.2 box. Wehave developed a Java class that reads a message (which is in XML format)and parses the message (using xmlj4) for inserting into an Oracle database.On the AIX system, we have created a process definition with anapplicationid of a unix ksh script that sets up all classpaths, etc and thenstarts the java class. What we have found is that when we run the scriptmanually (logged on as mqm), the java application works correctly; however,when we allow the trigger monitor to start the script/java class, the classhangs at the program line that creates the DOMParser object (DOMParserparser = new DOMParser()). In addition, the class is not throwing any sortof exception. Also the trigger monitor stops processing any initq messagesunless will kill the java process. We have compared the
environments (using'env') in both cases (manual vs triggered) and both are exacly the same.In addition, the same java class runs correctly when triggered in a Windows2000 environment. Appears to be something specific when triggering on theAIX environment.Does anyone have any suggestions?
Regards,
Troy Wells
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Re: Java class hangs when using AIX Runmqtrm
We had similar problem. Add the following line to your script just before you call your java app. JAVA_COMPILER=NONE Thank You Lail S. Hossain-Original Message-From: Troy Wells [mailto:[EMAIL PROTECTED]Sent: Monday, June 30, 2003 6:51 PMTo: [EMAIL PROTECTED]Subject: Java class hangs when using AIX Runmqtrm Hi all. We currently have MQSeries 5.3 installed on an AIX 5.2 box. Wehave developed a Java class that reads a message (which is in XML format)and parses the message (using xmlj4) for inserting into an Oracle database.On the AIX system, we have created a process definition with anapplicationid of a unix ksh script that sets up all classpaths, etc and thenstarts the java class. What we have found is that when we run the scriptmanually (logged on as mqm), the java application works correctly; however,when we allow the trigger monitor to start the script/java class, the classhangs at the program line that creates the DOMParser object (DOMParserparser = new DOMParser()). In addition, the class is not throwing any sortof exception. Also the trigger monitor stops processing any initq messagesunless will kill the java process. We have compared the environments (using'env') in both cases (manual vs triggered) and both are exacly the same.In addition, the same java class runs correctly when triggered in a Windows2000 environment. Appears to be something specific when triggering on theAIX environment.Does anyone have any suggestions? Regards, Troy Wells Do you Yahoo!?SBC Yahoo! DSL - Now only $29.95 per month!
Re: Java class hangs when using AIX Runmqtrm
Justin, I installed CSD04 and in the script that the trigger process initiates, I performed the export of the env variable described below just prior to the initiation of the java class; however, I get the same results. Any suggestions? Regards, TroyJustin Fries [EMAIL PROTECTED] wrote: Troy, Install CSD04 for MQ 5.3 (now available from the MQ web page at http://www-3.ibm.com/software/integration/mqfamily/support/summary/aix.html) in order to pick up APAR IY43961. Then make sure the triggered java application has the environment variable AMQ_NO_SIGWAIT_SIGTRAP=1 exported where it can see it. Cheers,Justin T. Fries [EMAIL PROTECTED] WebSphere MQ Support Raleigh, North Carolina Hi all. We currently have MQSeries 5.3 installed on an AIX 5.2 box. Wehave developed a Java class that reads a message (which is in XML format)and parses the message (using xmlj4) for inserting into an Oracle database.On the AIX system, we have created a process definition with anapplicationid of a unix ksh script that sets up all classpaths, etc and thenstarts the java class. What we have found is that when we run the scriptmanually (logged on as mqm), the java application works correctly; however,when we allow the trigger monitor to start the script/java class, the classhangs at the program line that creates the DOMParser object (DOMParserparser = new DOMParser()). In addition, the class is not throwing any sortof exception. Also the trigger monitor stops processing any initq messagesunless will kill the java process. We have compared the environments (using'env') in both cases (manual vs triggered) and both are exacly the same.In addition, the same java class runs correctly when triggered in a Windows2000 environment. Appears to be something specific when triggering on theAIX environment.Does anyone have any suggestions? Regards, Troy Wells Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month!
Re: Java class hangs when using AIX Runmqtrm
Justin, Thanks for your reply. I looked at the AIX summary url you listed and did not find any reference to IY43961.Also, Ifound at http://www-1.ibm.com/support/docview.wss?uid=swg1IY43961that this fix will be shipped with WebSphere MQ V5.3CSD05. For CSD04, is it listed under a different number? Regards, Troy WellsJustin Fries [EMAIL PROTECTED] wrote: Troy, Install CSD04 for MQ 5.3 (now available from the MQ web page at http://www-3.ibm.com/software/integration/mqfamily/support/summary/aix.html) in order to pick up APAR IY43961. Then make sure the triggered java application has the environment variable AMQ_NO_SIGWAIT_SIGTRAP=1 exported where it can see it. Cheers,Justin T. Fries [EMAIL PROTECTED] WebSphere MQ Support Raleigh, North Carolina Hi all. We currently have MQSeries 5.3 installed on an AIX 5.2 box. Wehave developed a Java class that reads a message (which is in XML format)and parses the message (using xmlj4) for inserting into an Oracle database.On the AIX system, we have created a process definition with anapplicationid of a unix ksh script that sets up all classpaths, etc and thenstarts the java class. What we have found is that when we run the scriptmanually (logged on as mqm), the java application works correctly; however,when we allow the trigger monitor to start the script/java class, the classhangs at the program line that creates the DOMParser object (DOMParserparser = new DOMParser()). In addition, the class is not throwing any sortof exception. Also the trigger monitor stops processing any initq messagesunless will kill the java process. We have compared the environments (using'env') in both cases (manual vs triggered) and both are exacly the same.In addition, the same java class runs correctly when triggered in a Windows2000 environment. Appears to be something specific when triggering on theAIX environment.Does anyone have any suggestions? Regards, Troy Wells Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month!
Re: Java class hangs when using AIX Runmqtrm
Troy, Install CSD04 for MQ 5.3 (now available from the MQ web page at http://www-3.ibm.com/software/integration/mqfamily/support/summary/aix.html) in order to pick up APAR IY43961. Then make sure the triggered java application has the environment variable AMQ_NO_SIGWAIT_SIGTRAP=1 exported where it can see it. Cheers, Justin T. Fries [EMAIL PROTECTED] WebSphere MQ Support Raleigh, North Carolina Hi all. We currently have MQSeries 5.3 installed on an AIX 5.2 box. We have developed a Java class that reads a message (which is in XML format) and parses the message (using xmlj4) for inserting into an Oracle database. On the AIX system, we have created a process definition with an applicationid of a unix ksh script that sets up all classpaths, etc and then starts the java class. What we have found is that when we run the script manually (logged on as mqm), the java application works correctly; however, when we allow the trigger monitor to start the script/java class, the class hangs at the program line that creates the DOMParser object (DOMParser parser = new DOMParser()). In addition, the class is not throwing any sort of exception. Also the trigger monitor stops processing any initq messages unless will kill the java process. We have compared the environments (using 'env') in both cases (manual vs triggered) and both are exacly the same. In addition, the same java class runs correctly when triggered in a Windows 2000 environment. Appears to be something specific when triggering on the AIX environment. Does anyone have any suggestions? Regards, Troy Wells
Re: Java class hangs when using AIX Runmqtrm
Troy - Here is how I would approach this problem. 1. Make sure your triggering work with non java application. Trigger something simple like ksh. 2. Trigger a simple java application. 3. Get the simple application to throw an exception and find out how and where you can see it. 4. Beging porting code class by class from the java app that does not work into a simple one. My guess is that somehow, when your app is triggered whatever class you are trying to instantiate is not in the classpath either because of the precedence or some other reason. In that case your app has to throw an exception so it is vital that you verify that exceptions are visible to you. How much memory does you java app consume? How many processes and how many files do you have open when triggering takes place? What type of triggering do you use? - Original Message - From: Troy Wells To: [EMAIL PROTECTED] Sent: Monday, June 30, 2003 7:51 PM Subject: Java class hangs when using AIX Runmqtrm Hi all. We currently have MQSeries 5.3 installed on an AIX 5.2 box. Wehave developed a Java class that reads a message (which is in XML format)and parses the message (using xmlj4) for inserting into an Oracle database.On the AIX system, we have created a process definition with anapplicationid of a unix ksh script that sets up all classpaths, etc and thenstarts the java class. What we have found is that when we run the scriptmanually (logged on as mqm), the java application works correctly; however,when we allow the trigger monitor to start the script/java class, the classhangs at the program line that creates the DOMParser object (DOMParserparser = new DOMParser()). In addition, the class is not throwing any sortof exception. Also the trigger monitor stops processing any initq messagesunless will kill the java process. We have compared the environments (using'env') in both cases (manual vs triggered) and both are exacly the same.In addition, the same java class runs correctly when triggered in a Windows2000 environment. Appears to be something specific when triggering on theAIX environment.Does anyone have any suggestions? Regards, Troy Wells Do you Yahoo!?SBC Yahoo! DSL - Now only $29.95 per month!
