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question asked: Apr 11 '12, 9:40 a.m.
question was seen: 3,785 times
last updated: Apr 11 '12, 9:40 a.m.

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JTS causes CPU jump (not bad ... yet)

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Kevin Ramer (4.5k●8●183●200) | asked Apr 11 '12, 9:40 a.m.
I have a JTS running under WAS 7.0.0.19 and this morning I noticed some mild performance slowdown and found that the WAS is clipping along at 25% cpu all by itself. Looking at the Active Services page I see 3 of these

com.ibm.team.repository.service.internal.auth.proxy.AuthProxy.findAppCreds

running for 4hr now sometimes showing this stack: 


org.eclipse.emf.ecore.util.EcoreUtil$UUID.generate(EcoreUtil.java:3634)

   org.eclipse.emf.ecore.util.EcoreUtil.generateUUID(EcoreUtil.java:3616)

   com.ibm.team.repository.common.UUID.generate(UUID.java:51)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$Invalidator.(TransactionalCache.java:1735)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$CacheEntry.(TransactionalCache.java:1328)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$DistributedTransactionalBackingMap.mergeEntries(TransactionalCache.java:2515)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$DistributedTransactionalBackingMap.get(TransactionalCache.java:2569)


I tried to find the so-called Smokin' Gun (props to Robert Cray) in the jts logs but don't see a lot. I do see this often: 




2012-04-11 09:27:59,204 [             WebContainer : 25] ERROR ibm.team.dashboard.internal.web.IFrameProxyServlet  - POST https://jts02

:9444/jts/_iframeproxy/https%253A%252F%252Frtp-rtc10.tivlab.raleigh.ibm.com%253A9443%252Fjazz/service/com.ibm.te

am.workitem.common.internal.rest.IQueryRestService/getResultSet

HEADER: Host = jts02:9444

HEADER: User-Agent = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.28) Gecko/20120306 AskTbFTB/3.14.1.20007 (CK-IBM) Firefox

/3.6.28 ( .NET CLR 3.5.30729; .NET4.0E)

HEADER: Accept = text/json

HEADER: Accept-Language = en-us,en;q=0.5

HEADER: Accept-Encoding = gzip,deflate

HEADER: Accept-Charset = ISO-8859-1,utf-8;q=0.7,*;q=0.7

HEADER: Keep-Alive = 115

HEADER: Connection = keep-alive

HEADER: X-com-ibm-team-configuration-versions = LATEST

HEADER: X-Jazz-CSRF-Prevent = 0000TM3TFlcd6syis3BZebh7B_E:-1

HEADER: Content-Type = application/x-www-form-urlencoded; charset=utf-8

HEADER: X-Requested-With = XMLHttpRequest

HEADER: Referer = https://jts02:9444/jts/_iframeproxy/https%253A%252F%252Frtp-rtc10.tivlab.raleigh.ibm.com%253A9

443%252Fjazz/_ajax-modules/com.ibm.team.dashboard.web.iframe/com.ibm.team.workitem.viewlets.web.ui.internal.WorkItemsViewlet?_proxyURL=

%2Fjts%2F_iframeproxy%2Fhttps%25253A%25252F%25252Frtp-rtc10.tivlab.raleigh.ibm.com%25253A9443%25252Fjazz

HEADER: Content-Length = 453

HEADER: Cookie = net-jazz-ajax-cookie-rememberUserId=; JazzFormAuth=Form; UnicaNIODID=lsTrro7DH4o-Wo3f6lv; JSESSIONID=0000TM3TFlcd6syis

3BZebh7B_E:-1; LtpaToken2=/NRU+y+bCAWbaoZoDn1+1mxXJymqiohJU4tLy+nkybiKhgSIppRuNmpGQU0K+FOSfC2OpRRkBiUXLVZPD/mNZ5aCEG/R6X9kc4U6U4W+d5jLI

Fx6bu6a7J2DWU+AVuKUMfHNudLIhuYeeVdRCRKJ7XmGZWx+cj0XB/gsOsh6KQeVtyjDW2JialJtToNK8RP8ILfSPBT06SiKhRS/egKuB06L6ro+6XmBKy9t0zNCVyza5y7Bt5FG

zY6TtCw6eXIGhp8vAOCFRl4Lqrctu2eDhkTSTx3pmg7CG7CTeDgUH+wiTI9lNiMCevrQhMfqO54AYZNzwQs1ISQHHdd1C0Uq/Mhh5iR2+7FpbJNCkFzVpGYt1XKpEMhYKxZV8Z4

h4rJn6IuYAZzxGFNQhTnC1gKy9t14pEoS5Y3OgqR13PBBYBHDnIJuRqITZuDGNnS9pfn817biEgTv4MA4nYrlY3XexKn1K9HtCnpTXemgAKJXrZ8IjknlQSwQWAtw7k+451oMuJ

27AnrpZUao93uWkaHcYQye+AkcCpek05VlGaMR2OcEsbC1I50Bg9kgYa29mKPyMNrUr5TFwjpV+czbc6EwryITLABJ9ta3K8c5z4f0CuZ+8RHDX5Ytp0nL3FOJxzB1TEhGt1qiM

6A5VAUQd6KYYXMtpVuZch3VY47Xb4g4FalcLVHQFuB6teKAjgcs/cS9yaqF2e1Uxz+fl24wLZgjHw==; WASReqURL=https://:9444/jts/authenticated/identity?red

irectPath=%252Fjts%252Fwhoami%253FitemId%253D_4EDxUF1DEeG3x-nGmNdbWw%2526projectAreaItemId%253Dtrue

HEADER: Pragma = no-cache

HEADER: Cache-Control = no-cache

Parameter: columnIdentifiers = [workItemType, summary, creator, owner, creationDate, duration, category, target, projectArea, internalT

ags, internalState]

Parameter: filterAttribute = []

Parameter: maxResults = [15]

Parameter: skipOAuth = [true]

Parameter: absoluteURIs = [true]

Parameter: filterValue = []

Parameter: projectAreaItemId = [true]

Parameter: itemId = [_GF8wUM5NEeCP58g2HCYqew]

Parameter: startIndex = [0]



java.lang.StringIndexOutOfBoundsException: String index out of range: 13

        at java.lang.String.substring(String.java:1072)

        at org.eclipse.equinox.http.servlet.internal.HttpServletRequestAdaptor.getPathInfo(HttpServletRequestAdaptor.java:60)

        at javax.servlet.http.HttpServletRequestWrapper.getPathInfo(HttpServletRequestWrapper.java:146)

        at org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:89)


I know I can probably rectify the CPU load by bouncing the JTS, but it has a number of dependent CCM.

Any suggestions ?

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Kevin Ramer (4.5k●8●183●200) | answered Apr 17 '12, 10:55 a.m.
I have a JTS running under WAS 7.0.0.19 and this morning I noticed some mild performance slowdown and found that the WAS is clipping along at 25% cpu all by itself. Looking at the Active Services page I see 3 of these

com.ibm.team.repository.service.internal.auth.proxy.AuthProxy.findAppCreds

running for 4hr now sometimes showing this stack: 


org.eclipse.emf.ecore.util.EcoreUtil$UUID.generate(EcoreUtil.java:3634)

   org.eclipse.emf.ecore.util.EcoreUtil.generateUUID(EcoreUtil.java:3616)

   com.ibm.team.repository.common.UUID.generate(UUID.java:51)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$Invalidator.(TransactionalCache.java:1735)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$CacheEntry.(TransactionalCache.java:1328)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$DistributedTransactionalBackingMap.mergeEntries(TransactionalCache.java:2515)

   com.ibm.team.repository.service.internal.rdb.TransactionalCache$DistributedTransactionalBackingMap.get(TransactionalCache.java:2569)


I tried to find the so-called Smokin' Gun (props to Robert Cray) in the jts logs but don't see a lot. I do see this often: 




2012-04-11 09:27:59,204 [             WebContainer : 25] ERROR ibm.team.dashboard.internal.web.IFrameProxyServlet  - POST https://jts02

:9444/jts/_iframeproxy/https%253A%252F%252Frtp-rtc10.tivlab.raleigh.ibm.com%253A9443%252Fjazz/service/com.ibm.te

am.workitem.common.internal.rest.IQueryRestService/getResultSet

HEADER: Host = jts02:9444

HEADER: User-Agent = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.28) Gecko/20120306 AskTbFTB/3.14.1.20007 (*-IBM) Firefox

/3.6.28 ( .NET CLR 3.5.30729; .NET4.0E)

HEADER: Accept = text/json

HEADER: Accept-Language = en-us,en;q=0.5

HEADER: Accept-Encoding = gzip,deflate

HEADER: Accept-Charset = ISO-8859-1,utf-8;q=0.7,*;q=0.7

HEADER: Keep-Alive = 115

HEADER: Connection = keep-alive

HEADER: X-com-ibm-team-configuration-versions = LATEST

HEADER: X-Jazz-CSRF-Prevent = 0000TM3TFlcd6syis3BZebh7B_E:-1

HEADER: Content-Type = application/x-www-form-urlencoded; charset=utf-8

HEADER: X-Requested-With = XMLHttpRequest

HEADER: Referer = https://jts02:9444/jts/_iframeproxy/https%253A%252F%252Frtp-rtc10.tivlab.raleigh.ibm.com%253A9

443%252Fjazz/_ajax-modules/com.ibm.team.dashboard.web.iframe/com.ibm.team.workitem.viewlets.web.ui.internal.WorkItemsViewlet?_proxyURL=

%2Fjts%2F_iframeproxy%2Fhttps%25253A%25252F%25252Frtp-rtc10.tivlab.raleigh.ibm.com%25253A9443%25252Fjazz

HEADER: Content-Length = 453

HEADER: Cookie = net-jazz-ajax-cookie-rememberUserId=; JazzFormAuth=Form; UnicaNIODID=lsTrro7DH4o-Wo3f6lv; JSESSIONID=0000TM3TFlcd6syis

3BZebh7B_E:-1; LtpaToken2=/NRU+y+bCAWbaoZoDn1+1mxXJymqiohJU4tLy+nkybiKhgSIppRuNmpGQU0K+FOSfC2OpRRkBiUXLVZPD/mNZ5aCEG/R6X9kc4U6U4W+d5jLI

Fx6bu6a7J2DWU+AVuKUMfHNudLIhuYeeVdRCRKJ7XmGZWx+cj0XB/gsOsh6KQeVtyjDW2JialJtToNK8RP8ILfSPBT06SiKhRS/egKuB06L6ro+6XmBKy9t0zNCVyza5y7Bt5FG

zY6TtCw6eXIGhp8vAOCFRl4Lqrctu2eDhkTSTx3pmg7CG7CTeDgUH+wiTI9lNiMCevrQhMfqO54AYZNzwQs1ISQHHdd1C0Uq/Mhh5iR2+7FpbJNCkFzVpGYt1XKpEMhYKxZV8Z4

h4rJn6IuYAZzxGFNQhTnC1gKy9t14pEoS5Y3OgqR13PBBYBHDnIJuRqITZuDGNnS9pfn817biEgTv4MA4nYrlY3XexKn1K9HtCnpTXemgAKJXrZ8IjknlQSwQWAtw7k+451oMuJ

27AnrpZUao93uWkaHcYQye+AkcCpek05VlGaMR2OcEsbC1I50Bg9kgYa29mKPyMNrUr5TFwjpV+czbc6EwryITLABJ9ta3K8c5z4f0CuZ+8RHDX5Ytp0nL3FOJxzB1TEhGt1qiM

6A5VAUQd6KYYXMtpVuZch3VY47Xb4g4FalcLVHQFuB6teKAjgcs/cS9yaqF2e1Uxz+fl24wLZgjHw==; WASReqURL=https://:9444/jts/authenticated/identity?red

irectPath=%252Fjts%252Fwhoami%253FitemId%253D_4EDxUF1DEeG3x-nGmNdbWw%2526projectAreaItemId%253Dtrue

HEADER: Pragma = no-cache

HEADER: Cache-Control = no-cache

Parameter: columnIdentifiers = [workItemType, summary, creator, owner, creationDate, duration, category, target, projectArea, internalT

ags, internalState]

Parameter: filterAttribute = []

Parameter: maxResults = [15]

Parameter: skipOAuth = [true]

Parameter: absoluteURIs = [true]

Parameter: filterValue = []

Parameter: projectAreaItemId = [true]

Parameter: itemId = [_GF8wUM5NEeCP58g2HCYqew]

Parameter: startIndex = [0]



java.lang.StringIndexOutOfBoundsException: String index out of range: 13

        at java.lang.String.substring(String.java:1072)

        at org.eclipse.equinox.http.servlet.internal.HttpServletRequestAdaptor.getPathInfo(HttpServletRequestAdaptor.java:60)

        at javax.servlet.http.HttpServletRequestWrapper.getPathInfo(HttpServletRequestWrapper.java:146)

        at org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:89)


I know I can probably rectify the CPU load by bouncing the JTS, but it has a number of dependent CCM.

Any suggestions ?


I restarted JTS which cleared the issue.

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