Any clue would be appreciated.
Server version: Apache Tomcat/8.5.8
Server built: Nov 3 2016 21:14:13 UTC
Server number: 8.5.8.0
OS Name: Linux
OS Version: 2.6.32-642.11.1.el6.x86_64
Architecture: amd64
JVM Version: 1.7.0_79-b15
JVM Vendor: Oracle Corporation
Also I’ve tested on jdk1.8.
Here is the jstack output.
who locks the object.
"http-nio-exec-542" #797 daemon prio=5 os_prio=0 tid=0x00007fef3c225000
nid=0x6ca7 runnable [0x00007fef2d08e000]
java.lang.Thread.State: RUNNABLE
at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:68)
at java.lang.StringBuilder.<init>(StringBuilder.java:101)
at
org.apache.catalina.loader.WebappClassLoaderBase.binaryNameToPath(WebappClassLoaderBase.java:2285)
at
org.apache.catalina.loader.WebappClassLoaderBase.findLoadedClass0(WebappClassLoaderBase.java:2343)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1161)
- locked <0x00000006e7b0a2d8> (a java.lang.Object)
who try to get the lock
"http-nio-exec-1" #29 daemon prio=5 os_prio=0 tid=0x00007fef40002000 nid=0x6796
waiting for monitor entry [0x00007fefafa9b000]
java.lang.Thread.State: BLOCKED (on object monitor)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1152)
- waiting to lock <0x00000006e7b0a2d8> (a java.lang.Object)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
at
org.apache.xml.dtm.ObjectFactory.findProviderClass(ObjectFactory.java:506)
at
org.apache.xml.dtm.ObjectFactory.lookUpFactoryClass(ObjectFactory.java:217)
at org.apache.xml.dtm.ObjectFactory.createObject(ObjectFactory.java:131)
at org.apache.xml.dtm.ObjectFactory.createObject(ObjectFactory.java:101)
at org.apache.xml.dtm.DTMManager.newInstance(DTMManager.java:135)
at org.apache.xpath.XPathContext.<init>(XPathContext.java:100)
at org.apache.xpath.jaxp.XPathImpl.eval(XPathImpl.java:201)
at org.apache.xpath.jaxp.XPathImpl.evaluate(XPathImpl.java:275)
at org.apache.ibatis.parsing.XPathParser.evaluate(XPathParser.java:222)
at org.apache.ibatis.parsing.XPathParser.evalNode(XPathParser.java:213)
at org.apache.ibatis.parsing.XNode.evalNode(XNode.java:116)
at
org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:113)
at
org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92)
at
org.apache.ibatis.builder.xml.XMLConfigBuilder.mapperElement(XMLConfigBuilder.java:322)
at
org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:107)
at
org.apache.ibatis.builder.xml.XMLConfigBuilder.parse(XMLConfigBuilder.java:92)
at
org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:428)
at
org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:340)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1541)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1479)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:314)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198)
at
org.springframework.context.event.AbstractApplicationEventMulticaster$ListenerRetriever.getApplicationListeners(AbstractApplicationEventMulticaster.java:246)
at
org.springframework.context.event.AbstractApplicationEventMulticaster.getApplicationListeners(AbstractApplicationEventMulticaster.java:135)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:86)
at
org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:334)
at
org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:336)
at
org.springframework.web.servlet.FrameworkServlet.publishRequestHandledEvent(FrameworkServlet.java:1036)
at
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:971)
at
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:838)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
at
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
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