hello to all..
i'm using myfaces 1.1.5 and tomahawak 1.1.5
my application hang frequently

here is a stack on one of my threads
"TP-Processor280" daemon prio=1 tid=0x0889b1e0 nid=0xab2 waiting for
monitor entry [0x2c658000..0x2c659f30]
       at java.util.Collections$SynchronizedMap.get(Collections.java:1979)
       - waiting to lock <0x523ad908> (a java.util.Collections$SynchronizedMap)
       at java.beans.Introspector.getBeanInfo(Introspector.java:157)
       at 
javax.faces.component._ComponentAttributesMap.getPropertyDescriptor(_ComponentAttributesMap.java:346)
       at 
javax.faces.component._ComponentAttributesMap.put(_ComponentAttributesMap.java:306)
       at 
org.apache.myfaces.shared_impl.taglib.UIComponentTagUtils.setBooleanProperty(UIComponentTagUtils.java:134)
       at 
org.apache.myfaces.shared_impl.taglib.UIComponentBodyTagBase.setBooleanProperty(UIComponentBodyTagBase.java:163)
       at 
org.apache.myfaces.shared_impl.taglib.UIComponentBodyTagBase.setProperties(UIComponentBodyTagBase.java:106)
       at 
org.apache.myfaces.taglib.core.VerbatimTag.setProperties(VerbatimTag.java:53)
       at 
javax.faces.webapp.UIComponentTag.findComponent(UIComponentTag.java:597)
       at javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:315)
       at 
org.apache.jsp.jcs_005fcommon.meta_jsp._jspx_meth_f_005fverbatim_005f0(meta_jsp.java:179)
       at 
org.apache.jsp.jcs_005fcommon.meta_jsp._jspx_meth_t_005fbuffer_005f0(meta_jsp.java:157)
       at 
org.apache.jsp.jcs_005fcommon.meta_jsp._jspx_meth_f_005fsubview_005f0(meta_jsp.java:121)
       at org.apache.jsp.jcs_005fcommon.meta_jsp._jspService(meta_jsp.java:74)
       at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
       at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
       at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
       at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
       at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
       at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
       at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
       at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:594)
       at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505)
       at 
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:965)
       at 
org.apache.jsp.index_jsp._jspx_meth_f_005fview_005f0(index_jsp.java:154)
       at org.apache.jsp.index_jsp._jspService(index_jsp.java:106)
       at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
       at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
       at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
       at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
       at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
       at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
       at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
       at 
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
       at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)

and when i grep the log file
[EMAIL PROTECTED] tomcat1]# grep 0x523ad908 logs/catalina.out  | sort | uniq -c
     2         - locked <0x523ad908> (a java.util.Collections$SynchronizedMap)
   261         - waiting to lock <0x523ad908> (a
java.util.Collections$SynchronizedMap)

there are 261 threads waiting to lock the java.util.Collections$SynchronizedMap

my question is,
how can i modify my app so it does not hang..?
any help?

Reply via email to