The following is the bug for this issue: https://issues.apache.org/jira/browse/GERONIMO-4623
cheers - mdasari Jarek Gawor-2 wrote: > > I think the main problem here is that we keep creating a new > TransformerFactory instance on each request which causes an expensive > provider search. We can probably cache the TransformerFactory instance > and reuse it on subsequent requests (or maybe even rewrite the code > not to use the TransformerFactory API). Can you please open a bug on > it? > > Thanks, > Jarek > > On Wed, Apr 29, 2009 at 8:55 PM, mdasari <[email protected]> wrote: >> >> Hi, >> >> Geronimo: v 2.1.3 >> OS: Windows XP, Windows Server 2003 >> >> I've a web-service that gets polled every N minutes, I noticed that when >> it >> is servicing a request the CPU usage is hitting close to 80%. I expect to >> have multiple clients to this web-service so it is going to be a problem. >> >> Based on what I deduced, the following stack trace is trying to load >> several >> of JAR files and not able to load/find them. This is resulting in lot of >> kernel level calls thus CPU utilization. >> >> ---------- STACK of the thread processing a WS request and trying to load >> JARs ------------- >> >> "http-0.0.0.0-8080-1" daemon prio=6 tid=0x437c7c00 nid=0x1700 runnable >> [0x432ce000..0x432cfa14] >> java.lang.Thread.State: RUNNABLE >> at java.io.WinNTFileSystem.checkAccess(Native Method) >> at java.io.File.canRead(File.java:691) >> at >> org.apache.geronimo.kernel.classloader.UrlResourceFinder.getClassPath(UrlResourceFinder.java:151) >> at >> org.apache.geronimo.kernel.classloader.UrlResourceFinder.findResource(UrlResourceFinder.java:95) >> - locked <0x05420118> (a java.lang.Object) >> at >> org.apache.geronimo.kernel.classloader.JarFileClassLoader$3.run(JarFileClassLoader.java:179) >> at java.security.AccessController.doPrivileged(Native Method) >> at >> org.apache.geronimo.kernel.classloader.JarFileClassLoader.findResource(JarFileClassLoader.java:177) >> at >> org.apache.geronimo.kernel.config.MultiParentClassLoader.getResource(MultiParentClassLoader.java:580) >> at >> org.apache.geronimo.kernel.config.MultiParentClassLoader.getResource(MultiParentClassLoader.java:565) >> at >> org.apache.geronimo.kernel.config.MultiParentClassLoader.getResource(MultiParentClassLoader.java:565) >> at >> org.apache.geronimo.kernel.config.MultiParentClassLoader.getResource(MultiParentClassLoader.java:565) >> at >> org.apache.geronimo.kernel.config.MultiParentClassLoader.getResource(MultiParentClassLoader.java:565) >> at >> java.lang.ClassLoader.getResourceAsStream(ClassLoader.java:1168) >> at >> org.apache.catalina.loader.WebappClassLoader.getResourceAsStream(WebappClassLoader.java:1170) >> at >> javax.xml.transform.SecuritySupport$4.run(SecuritySupport.java:94) >> at java.security.AccessController.doPrivileged(Native Method) >> at >> javax.xml.transform.SecuritySupport.getResourceAsStream(SecuritySupport.java:87) >> at >> javax.xml.transform.FactoryFinder.findJarServiceProvider(FactoryFinder.java:250) >> at javax.xml.transform.FactoryFinder.find(FactoryFinder.java:223) >> at >> javax.xml.transform.TransformerFactory.newInstance(TransformerFactory.java:102) >> at >> org.apache.geronimo.axis2.WSDLQueryHandler.writeTo(WSDLQueryHandler.java:246) >> at >> org.apache.geronimo.axis2.WSDLQueryHandler.writeTo(WSDLQueryHandler.java:240) >> at >> org.apache.geronimo.axis2.WSDLQueryHandler.writeResponse(WSDLQueryHandler.java:164) >> at >> org.apache.geronimo.axis2.Axis2WebServiceContainer.processGETRequest(Axis2WebServiceContainer.java:321) >> at >> org.apache.geronimo.axis2.Axis2WebServiceContainer.doService2(Axis2WebServiceContainer.java:268) >> at >> org.apache.geronimo.axis2.Axis2WebServiceContainer.doService(Axis2WebServiceContainer.java:205) >> at >> org.apache.geronimo.axis2.Axis2WebServiceContainer.getWsdl(Axis2WebServiceContainer.java:161) >> at >> org.apache.geronimo.tomcat.TomcatEJBWebServiceContext$EJBWebServiceValve.invoke(TomcatEJBWebServiceContext.java:159) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) >> at >> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) >> at >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) >> at >> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) >> at >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) >> at java.lang.Thread.run(Thread.java:619) >> --------------------- >> >> >> >> The following are files this java process is trying to read/load. (Output >> from Windows process monitor). It seems to be doing in a loop as I see >> continuous system calls to read these jar files repeatedly. >> >> -------------------- >> >> >> 5:32:51.2222845 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\activation.jar >> NAME NOT FOUND >> 5:32:51.2225720 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jsr173_1.0_api.jar >> NAME NOT FOUND >> 5:32:51.2229192 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb1-impl.jar >> NAME NOT FOUND >> 5:32:51.2232875 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\messaging\saaj\saaj-impl\1.3\saaj-api.jar >> NAME NOT FOUND >> 5:32:51.2236048 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\messaging\saaj\saaj-impl\1.3\activation.jar >> NAME NOT FOUND >> 5:32:51.2240117 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb-api.jar >> NAME NOT FOUND >> 5:32:51.2242844 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\activation.jar >> NAME NOT FOUND >> 5:32:51.2245549 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jsr173_1.0_api.jar >> NAME NOT FOUND >> 5:32:51.2246938 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\org\apache\derby\derbyclient\10.4.1.3\derbyLocale_zh_TW.jar >> NAME NOT FOUND >> 5:32:51.2250253 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\org\apache\derby\derbynet\10.4.1.3\derby.jar >> NAME NOT FOUND >> 5:32:51.2252595 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\org\apache\derby\derbytools\10.4.1.3\derbyLocale_cs.jar >> NAME NOT FOUND >> 5:32:51.2254948 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\org\apache\derby\derbytools\10.4.1.3\derbyLocale_de_DE.jar >> NAME NOT FOUND >> 5:32:51.2257273 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\org\apache\derby\derbytools\10.4.1.3\derbyLocale_es.jar >> NAME NOT FOUND >> 5:32:51.2259593 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\org\apache\derby\derbytools\10.4.1.3\derbyLocale_fr.jar >> NAME NOT FOUND >> 5:32:51.2262344 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb1-impl.jar >> NAME NOT FOUND >> 5:32:51.2266488 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb-api.jar >> NAME NOT FOUND >> 5:32:51.2269216 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\activation.jar >> NAME NOT FOUND >> 5:32:51.2271920 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jsr173_1.0_api.jar >> NAME NOT FOUND >> 5:32:51.2274621 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb1-impl.jar >> NAME NOT FOUND >> 5:32:51.2279473 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb-api.jar >> NAME NOT FOUND >> 5:32:51.2282277 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\activation.jar >> NAME NOT FOUND >> 5:32:51.2284987 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jsr173_1.0_api.jar >> NAME NOT FOUND >> 5:32:51.2287691 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb1-impl.jar >> NAME NOT FOUND >> 5:32:51.2291697 PM java.exe 2880 QueryOpen >> E:\geronimo-tomcat6-javaee5-2.1.3\repository\com\sun\xml\bind\jaxb-impl\2.0.5\jaxb-api.jar >> NAME NOT FOUND >> >> ....... >> -------------- >> >> >> My questions are: >> 1. I don't see those JARs in the location it is looking for, is there a >> way >> to disable this lookup? Do I've to place those jar files in those >> locations? >> 2. Where does class-loader get this list of JARs? Can I tweak anything >> there? >> 3. Did I configure something incorrectly? >> >> Geronimo/Webservice functionally still works, but I'd expect severe >> problems >> when I use this service with multiple ws clients. >> >> Can anyone shed some light on this? >> >> best regards >> - mdasari >> -- >> View this message in context: >> http://www.nabble.com/Webservice-handling-consuming-considerable-CPU-%28Windows%29-tp23303330s134p23303330.html >> Sent from the Apache Geronimo - Users mailing list archive at Nabble.com. >> >> > > -- View this message in context: http://www.nabble.com/Webservice-handling-consuming-considerable-CPU-%28Windows%29-tp23303330s134p23410617.html Sent from the Apache Geronimo - Users mailing list archive at Nabble.com.
