on 12-15-2009 5:32 PM
hi,
After upgrading our XI system from NW700 SP15 to EHP1 701 SP5 we find that the Jlauch is constantly using around 60% of the CPU and degrades the system performance. Has anyone experience this before?
This is print from the Thread Dump Taken.
"JCO.ServerThread-71" prio=5 tid=0x000000010282e750 nid=0x120 in Object.wait() [0xfffffffe11bff000..0xfffffffe11bff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea652ee18> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea652ee18> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea652ee18> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-73" prio=5 tid=0x00000001039e1420 nid=0x11f in Object.wait() [0xfffffffe123ff000..0xfffffffe123ff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-72" prio=5 tid=0x0000000103b2d540 nid=0x11e in Object.wait() [0xfffffffe12bff000..0xfffffffe12bff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-70" prio=5 tid=0x0000000103b74220 nid=0x11d in Object.wait() [0xfffffffe133ff000..0xfffffffe133ff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-69" prio=5 tid=0x0000000102e28c60 nid=0x11c in Object.wait() [0xfffffffe13bff000..0xfffffffe13bff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-65" prio=5 tid=0x0000000102daed70 nid=0x11b in Object.wait() [0xfffffffe143ff000..0xfffffffe143ff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea652ee18> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea652ee18> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea652ee18> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-68" prio=5 tid=0x0000000102d00ae0 nid=0x11a in Object.wait() [0xfffffffe14bff000..0xfffffffe14bff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-67" prio=5 tid=0x0000000104469de0 nid=0x119 in Object.wait() [0xfffffffe153ff000..0xfffffffe153ff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea7408da0> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea7408da0> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea7408da0> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-66" prio=5 tid=0x00000001027ff050 nid=0x118 in Object.wait() [0xfffffffe15bff000..0xfffffffe15bff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea741ec40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
"JCO.ServerThread-64" prio=5 tid=0x0000000102954570 nid=0x117 in Object.wait() [0xfffffffe163ff000..0xfffffffe163ff8b0]
at java.lang.Object.wait(Native Method)
- waiting on <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at java.lang.Object.wait(Object.java:429)
at com.sap.mw.jco.RequestListenerGroup$RequestQueue.getRequest(RequestListenerGroup.java:719)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.loop(JCO.java:8240)
- locked <0xfffffffea7404a40> (a com.sap.mw.jco.RequestListenerGroup$RequestQueue)
at com.sap.mw.jco.JCO$Server.run(JCO.java:8166)
at java.lang.Thread.run(Thread.java:534)
Thank you
Jonu Joy
I have seen cases where JSPM consumes lot of CPU resource . Do you have any JSPM session open . IF yes try closing it.
Thanks,
Gerard
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