Recently the application server always reported CPU 100%, which is more than 100% CPU. Finally find out is aspectjweaver this jar package uses HashMap is thread insecure. This accident summary is a third-party jar package should always be concerned.
<2015-4-25 08:12 P.M. 44 sec cst> <Error> <WebLogicServer> <BEA-000337> <[stuck] Executethread: ' ' For queue: ' Weblogic.kernel.Default (self-tuning) ' have been busy for "657" seconds working on the request "[Email prot ected][
Post/web/gg/workflow/fore/dospecialforesubmit.jsp?isprogress=false http/1.1
x-forwarded-for:10.124.19.6
Accept:image/jpeg, Application/x-ms-application, Image/gif, Application/xaml+xml, Image/pjpeg, application/ X-MS-XBAP, Application/x-shockwave-flash, Application/vnd.ms-excel, Application/vnd.ms-powerpoint, application/ MSWord, */*
Referer:http://10.150.140.20/web/gg/material/workflow/fore/selforepersons.jsp?pcount=1&pflowkey=gmm_ datalabel_forcsg&pallflag=false&preturnurl=/web/gg/groupmaterial/audit/purchaseplan/ Csgpurchaseplanaudit.jsp?pageno=1|status=auditing|nodestring=null:null; gmm_datalabel_forcsg;000004|framename=p_req_plan_window|labeltype=20&padapterclass= Csgdatalabelforwardadapter&pworkflowid=undefined&pareacode=undefined&pdisplayopinionarea=false &pRequireOpinion=false&pShowRoleFilter=false&pFlag=undefined&pModulePath=gg/material& Psubmitcallback=loading () &pisasync=false&pisprogress=undefined&preadallpage=undefined
Accept-language:zh-cn
user-agent:mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; trident/4.0; mozilla/4.0 (Compatible mozilla/4.0 (compatible-embeddedwb 14.58 http://bsalsa.com/EmbeddedWB-14.58 from:http:// bsalsa.com/; mozilla/4.0 (Compatible RogueCleanerEmbeddedWB-14.58 from:http://bsalsa.com/; SLCC2;. NET CLR 2.0.50727;. NET CLR 3.5.30729;. NET CLR 3.0.30729; Media Center PC 6.0;. net4.0c;. net4.0e; BRI/2; Tablet PC 2.0; INFOPATH.3)
content-type:application/x-www-form-urlencoded
Accept-encoding:gzip, deflate
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Connection:keep-alive
Cache-control:no-cache
COOKIE:6E198C893C55D08419683DCDAA6E3463=07D9F9949578C1F56F881944EED7BF65; 6e198c893c55d084a63a0bba80a8bb6c0379382d298af80f= 17d870abaf8bb61086f2b509c258111a6a8d5fcab9e3cb0e69e09e1edece27cb0379382d298af80f; jsessionidmini=xdgcv7cfkqpvc2lhvxzg1ghmmbvfwnyzv7qlqgpgtsvgfljspvkl!-2010002315; jsessionidipms=qnt2v7bts1bnczd8vbxwgdx8xbgn451clkrgkhsrnfknm5p12rdq!1786716604; comtopsessionsid=<snaid>gs9yv7byzjn3tnfyhht3f8tvhj7zmzxc4ntsnc1vbtgcvdnlh9ql!64005734!1429963256371</ Snaid>
] ", which is more than the configured time (stuckthreadmaxtime) of" the "seconds. Stack Trace:
Java.util.WeakHashMap.getEntry (weakhashmap.java:383)
Java.util.WeakHashMap.containsKey (weakhashmap.java:369)
Com.bea.core.repackaged.aspectj.lang.reflect.AjTypeSystem.getAjType (ajtypesystem.java:37)
Com.bea.core.repackaged.springframework.aop.aspectj.annotation.AbstractAspectJAdvisorFactory.isAspect ( abstractaspectjadvisorfactory.java:113)
Com.bea.core.repackaged.springframework.aop.aspectj.annotation.BeanFactoryAspectJAdvisorsBuilder.buildAspectJAdvisors (beanfactoryaspectjadvisorsbuilder.java:95)
Com.bea.core.repackaged.springframework.jee.intercept.InterceptionMetadata.addAspectJAdvisors ( interceptionmetadata.java:835)
Com.bea.core.repackaged.springframework.jee.intercept.InterceptionMetadata.createProxyIfNecessary ( interceptionmetadata.java:477)
Com.bea.core.repackaged.springframework.jee.intercept.InterceptionMetadata.createProxyIfNecessary ( interceptionmetadata.java:410)
Com.bea.core.repackaged.springframework.jee.spi.EjbComponentCreatorBrokerImpl.invokeCreateProxyIfNecessary ( EJBCOMPONENTCREATORBROKERIMPL.JAVA:97)
Com.bea.core.repackaged.springframework.jee.spi.EjbComponentCreatorBrokerImpl.getBean ( EJBCOMPONENTCREATORBROKERIMPL.JAVA:53)
Weblogic.ejb.container.injection.EjbComponentCreatorImpl.getBean (ejbcomponentcreatorimpl.java:67)
Weblogic.ejb.container.manager.BaseEJBManager.createNewBeanInstance (baseejbmanager.java:216)
Weblogic.ejb.container.manager.BaseEJBManager.allocateBean (baseejbmanager.java:233)
Weblogic.ejb.container.manager.StatelessManager.createBean (statelessmanager.java:303)
Weblogic.ejb.container.pool.StatelessSessionPool.createBean (statelesssessionpool.java:190)
Weblogic.ejb.container.pool.StatelessSessionPool.getBean (statelesssessionpool.java:121)
Weblogic.ejb.container.manager.StatelessManager.preInvoke (statelessmanager.java:148)
Weblogic.ejb.container.internal.BaseRemoteObject.preInvoke (baseremoteobject.java:227)
Weblogic.ejb.container.internal.StatelessRemoteObject.preInvoke (statelessremoteobject.java:52)
Com.gg.masterdata.objecttrack.appservice.impl.ObjectTrackSes_gtdbkl_ Iobjecttrackserviceimpl.processingtrackrecord (objecttrackses_gtdbkl_iobjecttrackserviceimpl.java:899)
Com.gg.masterdata.objecttrack.appservice.impl.ObjectTrackSes_gtdbkl_IObjectTrackServiceImpl_ Cbv.processingtrackrecord (Unknown Source)
SUN.REFLECT.NATIVEMETHODACCESSORIMPL.INVOKE0 (Native Method)
Com.bea.core.repackaged.aspectj.aspectjweaver_5.1.0.jar
Package com.bea.core.repackaged.aspectj.lang.reflect;
Import Com.bea.core.repackaged.aspectj.internal.lang.reflect.AjTypeImpl;
Import java.lang.ref.WeakReference;
Import Java.util.Map;
Import Java.util.WeakHashMap;
public class Ajtypesystem {
private static Map<class, weakreference<ajtype>> ajtypes = new Weakhashmap ();
public static <T> ajtype<t> Getajtype (class<t> fromclass) {
if (Ajtypes.containskey (Fromclass)) {
WeakReference weakreftoajtype = (weakreference) ajtypes
. get (Fromclass);
Ajtype Theajtype = (ajtype) weakreftoajtype.get ();
if (theajtype! = null) {
return theajtype;
}
Theajtype = new Ajtypeimpl (fromclass);
Ajtypes.put (Fromclass, New WeakReference (Theajtype));
return theajtype;
}
Ajtype Theajtype = new Ajtypeimpl (fromclass);
Ajtypes.put (Fromclass, New WeakReference (Theajtype));
return theajtype;
}
}
Com.bea.core.repackaged.aspectj.aspectjweaver_5.3.0.jar
Package com.bea.core.repackaged.aspectj.lang.reflect;
Import Com.bea.core.repackaged.aspectj.internal.lang.reflect.AjTypeImpl;
Import java.lang.ref.WeakReference;
Import java.util.Collections;
Import Java.util.Map;
Import Java.util.WeakHashMap;
public class Ajtypesystem {
private static Map<class, weakreference<ajtype>> Ajtypes = Collections
. Synchronizedmap (New Weakhashmap ());
public static <T> ajtype<t> Getajtype (class<t> paramclass) {
WeakReference localweakreference = (weakreference) ajtypes
. get (Paramclass);
if (localweakreference! = null) {
Localobject = (ajtype) localweakreference.get ();
if (localobject! = null)
return localobject;
Localobject = new Ajtypeimpl (paramclass);
Ajtypes.put (Paramclass, New WeakReference (Localobject));
return localobject;
}
Object localobject = new Ajtypeimpl (paramclass);
Ajtypes.put (Paramclass, New WeakReference (Localobject));
Return ((ajtype<t>) localobject);
}
}
Using HashMap thread unsafe causes CPU 100%
