On Wed, Sep 30, 2009 at 9:29 AM, Don Brown <[email protected]> wrote: > I may be able to move to 2.0.1, as we haven't had much luck with > 1.8.1. We've had to patch it twice (both fixes I believe in trunk) > and it still won't run under WebLogic due to, yet again, weird > NoClassDef errors in url handling. > > How soon is "real soon now"?
I plan to call the vote next week. regards, Karl > Don > > On Tue, Sep 29, 2009 at 5:27 PM, Karl Pauls <[email protected]> wrote: >> On Tue, Sep 29, 2009 at 7:17 AM, Don Brown <[email protected]> wrote: >>> Any way to easily fix it on 1.8.1? I can't move to 2.0 easily, but >>> this issue is quite worrying. >> >> Maybe. >> >> In general, I don't think it is an easy one to hit for you as the >> issue at hand is the following. Something at the outside is calling >> into java.* classes which lock the appclassloader and then create a >> url which goes via the urlhandlers which turn around and try to lock >> the serviceregistry (this part has changed in 2.0). At the same time >> something on the outside is calling into the framework, trying to get >> a service, which locks the serviceregistry and is then triggering a >> classload for the appclassloader -> deadlock. This is a pretty special >> combination and due to the fact that certain paths inside the java.* >> and javax.* packages result in different orders of lock taking. >> >> I can try to look into creating a patch for you as the urlhandlers are >> somewhat independent so it might be possible to create an easy >> backport but it sure would be nicer if we could get you on the current >> trunk. I plan to cut a 2.0.1 release real soon now... >> >> regards, >> >> Karl >> >>> Don >>> >>> On Tue, Sep 29, 2009 at 11:16 AM, Gerry Woods <[email protected]> wrote: >>>> Thanks for your response Karl. We examined the 2.0 source today and >>>> arrived >>>> at the same conclusion. We're testing with it now. >>>> >>>> On Mon, Sep 28, 2009 at 2:23 PM, Karl Pauls <[email protected]> wrote: >>>> >>>>> This looks like something which should not be happening with felix >>>>> 2.0.0 anymore. Can you reproduce the issue and if so, can you retry >>>>> with felix 2.0? >>>>> >>>>> regards, >>>>> >>>>> Karl >>>>> >>>>> On Sat, Sep 26, 2009 at 1:24 AM, Gerry Woods <[email protected]> wrote: >>>>> > Hi, >>>>> > First let me say a word of thanks for the fantastic work you guys have >>>>> been >>>>> > doing. We have encountered a deadlock with Felix (1.8.1) and Spring-DM >>>>> > (1.2.0) and I wanted to run it by you guys to see if this is a known >>>>> issue, >>>>> > or if you have any opinions on the problem. I had a look through Jira >>>>> for >>>>> > any deadlock-related issues and didn't see anything that looked quite >>>>> like >>>>> > this. >>>>> > Thanks for any help or feedback, >>>>> > Gerry >>>>> > >>>>> > >>>>> > Found one Java-level deadlock: >>>>> > ============================= >>>>> > "SpringOsgiExtenderThread-17": >>>>> > waiting to lock monitor 0x0033d8ec (object 0x07f41dc0, a >>>>> > org.apache.felix.framework.ServiceRegistry), >>>>> > which is held by "SpringOsgiExtenderThread-3" >>>>> > "SpringOsgiExtenderThread-3": >>>>> > waiting to lock monitor 0x0033d7ac (object 0x078c9058, a >>>>> > sun.misc.Launcher$AppClassLoader), >>>>> > which is held by "SpringOsgiExtenderThread-17" >>>>> > >>>>> > Java stack information for the threads listed above: >>>>> > =================================================== >>>>> > "SpringOsgiExtenderThread-17": >>>>> > at >>>>> > >>>>> org.apache.felix.framework.ServiceRegistry.getServiceReferences(ServiceRegistry.java:165) >>>>> > - waiting to lock <0x07f41dc0> (a >>>>> > org.apache.felix.framework.ServiceRegistry) >>>>> > at >>>>> > org.apache.felix.framework.Felix.getServiceReferences(Felix.java:2617) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:2672) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:310) >>>>> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>>>> > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) >>>>> > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown >>>>> > Source) >>>>> > at java.lang.reflect.Method.invoke(Unknown Source) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.util.SecureAction.invoke(SecureAction.java:763) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.URLHandlersStreamHandlerProxy.getStreamHandlerService(URLHandlersStreamHandlerProxy.java:476) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.URLHandlersStreamHandlerProxy.parseURL(URLHandlersStreamHandlerProxy.java:352) >>>>> > at java.net.URL.<init>(Unknown Source) >>>>> > at java.net.URL.<init>(Unknown Source) >>>>> > at java.net.URL.<init>(Unknown Source) >>>>> > at java.net.JarURLConnection.parseSpecs(Unknown Source) >>>>> > at java.net.JarURLConnection.<init>(Unknown Source) >>>>> > at sun.net.www.protocol.jar.JarURLConnection.<init>(Unknown >>>>> Source) >>>>> > at sun.net.www.protocol.jar.Handler.openConnection(Unknown >>>>> > Source) >>>>> > at java.net.URL.openConnection(Unknown Source) >>>>> > at java.net.URL.openStream(Unknown Source) >>>>> > at java.lang.ClassLoader.getSystemResourceAsStream(Unknown >>>>> > Source) >>>>> > at java.lang.Class.getResourceAsStream(Unknown Source) >>>>> > at sun.text.NormalizerImpl$1.run(Unknown Source) >>>>> > at java.security.AccessController.doPrivileged(Native Method) >>>>> > at sun.text.NormalizerImpl.<init>(Unknown Source) >>>>> > at sun.text.NormalizerImpl.<clinit>(Unknown Source) >>>>> > at sun.text.Normalizer.decompose(Unknown Source) >>>>> > at sun.text.Normalizer$NFKDMode.normalize(Unknown Source) >>>>> > at sun.text.Normalizer.normalize(Unknown Source) >>>>> > at sun.security.x509.AVA.toRFC2253CanonicalString(Unknown Source) >>>>> > at sun.security.x509.RDN.toRFC2253StringInternal(Unknown Source) >>>>> > at sun.security.x509.RDN.toRFC2253String(Unknown Source) >>>>> > at sun.security.x509.X500Name.getRFC2253CanonicalName(Unknown >>>>> > Source) >>>>> > at sun.security.x509.X500Name.equals(Unknown Source) >>>>> > at sun.security.pkcs.PKCS7.getCertificate(Unknown Source) >>>>> > at sun.security.pkcs.SignerInfo.getCertificate(Unknown Source) >>>>> > at sun.security.pkcs.SignerInfo.verify(Unknown Source) >>>>> > at sun.security.pkcs.PKCS7.verify(Unknown Source) >>>>> > at sun.security.pkcs.PKCS7.verify(Unknown Source) >>>>> > at sun.security.util.SignatureFileVerifier.processImpl(Unknown >>>>> > Source) >>>>> > at sun.security.util.SignatureFileVerifier.process(Unknown >>>>> > Source) >>>>> > at java.util.jar.JarVerifier.processEntry(Unknown Source) >>>>> > at java.util.jar.JarVerifier.update(Unknown Source) >>>>> > at java.util.jar.JarFile.initializeVerifier(Unknown Source) >>>>> > at java.util.jar.JarFile.getInputStream(Unknown Source) >>>>> > - locked <0x078c2b28> (a java.util.jar.JarFile) >>>>> > at sun.misc.URLClassPath$JarLoader$1.getInputStream(Unknown >>>>> Source) >>>>> > at sun.misc.Resource.cachedInputStream(Unknown Source) >>>>> > - locked <0x08338cd8> (a sun.misc.URLClassPath$JarLoader$1) >>>>> > at sun.misc.Resource.getByteBuffer(Unknown Source) >>>>> > at java.net.URLClassLoader.defineClass(Unknown Source) >>>>> > at java.net.URLClassLoader.access$100(Unknown Source) >>>>> > at java.net.URLClassLoader$1.run(Unknown Source) >>>>> > at java.security.AccessController.doPrivileged(Native Method) >>>>> > at java.net.URLClassLoader.findClass(Unknown Source) >>>>> > at java.lang.ClassLoader.loadClass(Unknown Source) >>>>> > - locked <0x078d3468> (a sun.misc.Launcher$ExtClassLoader) >>>>> > at java.lang.ClassLoader.loadClass(Unknown Source) >>>>> > - locked <0x078c9058> (a sun.misc.Launcher$AppClassLoader) >>>>> > at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) >>>>> > - locked <0x078c9058> (a sun.misc.Launcher$AppClassLoader) >>>>> > at java.lang.ClassLoader.loadClass(Unknown Source) >>>>> > at sun.security.jca.ProviderConfig$3.run(Unknown Source) >>>>> > at java.security.AccessController.doPrivileged(Native Method) >>>>> > at sun.security.jca.ProviderConfig.doLoadProvider(Unknown Source) >>>>> > at sun.security.jca.ProviderConfig.getProvider(Unknown Source) >>>>> > - locked <0x078c9058> (a sun.misc.Launcher$AppClassLoader) >>>>> > at sun.security.jca.ProviderList.getProvider(Unknown Source) >>>>> > at sun.security.jca.ProviderList.getIndex(Unknown Source) >>>>> > at sun.security.jca.ProviderList.getProviderConfig(Unknown >>>>> > Source) >>>>> > at sun.security.jca.ProviderList.getProvider(Unknown Source) >>>>> > at java.security.Security.getProvider(Unknown Source) >>>>> > at >>>>> > >>>>> com.soa.security.spring.ProviderRegistration.register(ProviderRegistration.java:31) >>>>> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>>>> > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) >>>>> > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown >>>>> > Source) >>>>> > at java.lang.reflect.Method.invoke(Unknown Source) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1414) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1375) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) >>>>> > at java.security.AccessController.doPrivileged(Native Method) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) >>>>> > - locked <0x07ff23f0> (a java.util.concurrent.ConcurrentHashMap) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164) >>>>> > at >>>>> > >>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429) >>>>> > - locked <0x07ff2690> (a java.util.concurrent.ConcurrentHashMap) >>>>> > at >>>>> > >>>>> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728) >>>>> > at >>>>> > >>>>> org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$1600(AbstractDelegatedExecutionApplicationContext.java:69) >>>>> > at >>>>> > >>>>> org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$4.run(AbstractDelegatedExecutionApplicationContext.java:355) >>>>> > - locked <0x07fe1020> (a java.lang.Object) >>>>> > at >>>>> > >>>>> org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85) >>>>> > at >>>>> > >>>>> org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.completeRefresh(AbstractDelegatedExecutionApplicationContext.java:320) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor$CompleteRefreshTask.run(DependencyWaiterApplicationContextExecutor.java:136) >>>>> > at java.lang.Thread.run(Unknown Source) >>>>> > "SpringOsgiExtenderThread-3": >>>>> > at >>>>> > >>>>> org.apache.felix.framework.util.ldap.Evaluator.evaluate(Evaluator.java:96) >>>>> > at >>>>> org.apache.felix.framework.FilterImpl.match(FilterImpl.java:166) >>>>> > at >>>>> org.apache.felix.framework.FilterImpl.match(FilterImpl.java:226) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.ServiceRegistry.getServiceReferences(ServiceRegistry.java:182) >>>>> > - locked <0x07f41dc0> (a >>>>> org.apache.felix.framework.ServiceRegistry) >>>>> > at >>>>> > org.apache.felix.framework.Felix.getServiceReferences(Felix.java:2617) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:2672) >>>>> > at >>>>> > >>>>> org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:310) >>>>> > at >>>>> > >>>>> org.springframework.osgi.util.OsgiServiceReferenceUtils.getServiceReferences(OsgiServiceReferenceUtils.java:159) >>>>> > at >>>>> > >>>>> org.springframework.osgi.util.OsgiServiceReferenceUtils.getServiceReferences(OsgiServiceReferenceUtils.java:195) >>>>> > at >>>>> > >>>>> org.springframework.osgi.util.OsgiServiceReferenceUtils.isServicePresent(OsgiServiceReferenceUtils.java:327) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.MandatoryServiceDependency.isServicePresent(MandatoryServiceDependency.java:82) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.DependencyServiceManager.doFindDependencies(DependencyServiceManager.java:287) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.DependencyServiceManager.access$700(DependencyServiceManager.java:40) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.DependencyServiceManager$1.run(DependencyServiceManager.java:213) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.util.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:124) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.DependencyServiceManager.findServiceDependencies(DependencyServiceManager.java:209) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.stageOne(DependencyWaiterApplicationContextExecutor.java:248) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.refresh(DependencyWaiterApplicationContextExecutor.java:175) >>>>> > at >>>>> > >>>>> org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:175) >>>>> > at >>>>> > >>>>> org.springframework.osgi.extender.internal.activator.ContextLoaderListener$2.run(ContextLoaderListener.java:718) >>>>> > at java.lang.Thread.run(Unknown Source) >>>>> > >>>>> > Found 1 deadlock. >>>>> > >>>>> >>>>> >>>>> >>>>> -- >>>>> Karl Pauls >>>>> [email protected] >>>>> >>>> >>> >> >> >> >> -- >> Karl Pauls >> [email protected] >> > -- Karl Pauls [email protected]
