skywalking blocked

[just-right]

skywalking blocked

200 http thread,only one thread RUNNABLE.

the RUNNABLE thread stackTrace

stackTrace:
java.lang.Thread.State: RUNNABLE
at java.util.zip.ZipFile.getEntry(Native Method)
at java.util.zip.ZipFile.getEntry(ZipFile.java:320)
- locked <0x00000000c74bd678> (a java.util.jar.JarFile)
at java.util.jar.JarFile.getEntry(JarFile.java:251)
at java.util.jar.JarFile.getJarEntry(JarFile.java:234)
at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.getArchiveEntry(AbstractSingleArchiveResourceSet.java:97)
at org.apache.catalina.webresources.AbstractArchiveResourceSet.getResource(AbstractArchiveResourceSet.java:267)
at org.apache.catalina.webresources.StandardRoot.getResourceInternal(StandardRoot.java:281)
at org.apache.catalina.webresources.Cache.getResource(Cache.java:62)
at org.apache.catalina.webresources.StandardRoot.getResource(StandardRoot.java:216)
at org.apache.catalina.webresources.StandardRoot.getClassLoaderResource(StandardRoot.java:225)
at org.apache.catalina.loader.WebappClassLoaderBase.getResourceAsStream(WebappClassLoaderBase.java:1131)
at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:165)
at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(SimpleMetadataReader.java:50)
at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:96)
at org.springframework.core.type.classreading.CachingMetadataReaderFactory.getMetadataReader(CachingMetadataReaderFactory.java:102)
- locked <0x00000000bbf30b30> (a org.springframework.core.type.classreading.CachingMetadataReaderFactory$1)
at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:92)
at org.springframework.context.annotation.ConfigurationClassUtils.checkConfigurationClassCandidate(ConfigurationClassUtils.java:71)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:255)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:225)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:632)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461)
- locked <0x00000000b852ef90> (a java.lang.Object)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:602)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:521)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:462)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1132)
- locked <0x00000000d00b11f0> (a org.apache.catalina.core.StandardWrapper)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1079)
- locked <0x00000000d00b11f0> (a org.apache.catalina.core.StandardWrapper)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:763)
- locked <0x00000000d00b11f0> (a org.apache.catalina.core.StandardWrapper)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:472)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:395)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:316)
at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:386)
at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:245)
at org.apache.catalina.core.StandardHostValve.throwable$original$GJ15H29I(StandardHostValve.java:340)
at org.apache.catalina.core.StandardHostValve.throwable$original$GJ15H29I$accessor$i1xX8jNT(StandardHostValve.java)
at org.apache.catalina.core.StandardHostValve$auxiliary$VMIPLkC1.call(Unknown Source)
at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:92)
at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java)
at org.apache.catalina.core.StandardHostValve.invoke$original$GJ15H29I(StandardHostValve.java:166)
at org.apache.catalina.core.StandardHostValve.invoke$original$GJ15H29I$accessor$i1xX8jNT(StandardHostValve.java)
at org.apache.catalina.core.StandardHostValve$auxiliary$c9VnoTqi.call(Unknown Source)
at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:92)

the BLOCKED thread stackTrace.

stackTrace:
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:754)
- waiting to lock <0x00000000d00b11f0> (a org.apache.catalina.core.StandardWrapper)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:472)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:395)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:316)
at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:386)
at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:245)
at org.apache.catalina.core.StandardHostValve.throwable$original$GJ15H29I(StandardHostValve.java:340)
at org.apache.catalina.core.StandardHostValve.throwable$original$GJ15H29I$accessor$i1xX8jNT(StandardHostValve.java)
at org.apache.catalina.core.StandardHostValve$auxiliary$VMIPLkC1.call(Unknown Source)
at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:92)
at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java)
at org.apache.catalina.core.StandardHostValve.invoke$original$GJ15H29I(StandardHostValve.java:166)
at org.apache.catalina.core.StandardHostValve.invoke$original$GJ15H29I$accessor$i1xX8jNT(StandardHostValve.java)
at org.apache.catalina.core.StandardHostValve$auxiliary$c9VnoTqi.call(Unknown Source)
at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:92)

[wu-sheng]

Don't know what you expect we reply.
If something blocked, find the reason, how could we know magically?