Java threads backed up in XPathContext initialization and DTMManager.newInstance

Issue

• Many java threads backed up in XPathContext initialization and resulting DTMManager.newInstance calls, for example:

   java.lang.Thread.State: BLOCKED (on object monitor)
    at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:676)
    - waiting to lock <0x00000000a1931868> (a java.util.jar.JarFile)
    at java.util.zip.ZipFile$ZipFileInflaterInputStream.fill(ZipFile.java:415)
    at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158)
    at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)
    at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)
    at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)
    - locked <0x00000000ec1c7a88> (a java.io.InputStreamReader)
    at java.io.InputStreamReader.read(InputStreamReader.java:184)
    at java.io.BufferedReader.fill(BufferedReader.java:154)
    at java.io.BufferedReader.readLine(BufferedReader.java:317)
    - locked <0x00000000ec1c7a88> (a java.io.InputStreamReader)
    at java.io.BufferedReader.readLine(BufferedReader.java:382)
    at org.apache.xml.dtm.ObjectFactory.findJarServiceProviderName(ObjectFactory.java:588)
    at org.apache.xml.dtm.ObjectFactory.lookUpFactoryClassName(ObjectFactory.java:373)
    at org.apache.xml.dtm.ObjectFactory.lookUpFactoryClass(ObjectFactory.java:206)
    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:142)
    at org.apache.xpath.XPathContext.<init>(XPathContext.java:114)
    at org.apache.xpath.XPathContext.<init>(XPathContext.java:321)

or

 java.lang.Thread.State: BLOCKED (on object monitor)
    at java.util.zip.ZipFile.getEntry(ZipFile.java:314)
    - waiting to lock <0x000000041ca4a870> (a java.util.jar.JarFile)
    at java.util.jar.JarFile.getEntry(JarFile.java:240)
    at java.util.jar.JarFile.getJarEntry(JarFile.java:223)
    at org.jboss.modules.JarFileResourceLoader.getJarEntry(JarFileResourceLoader.java:185)
    at org.jboss.modules.JarFileResourceLoader.getResource(JarFileResourceLoader.java:217)
    at org.jboss.modules.ModuleClassLoader.loadResourceLocal(ModuleClassLoader.java:351)
    at org.jboss.modules.ModuleClassLoader$1.loadResourceLocal(ModuleClassLoader.java:103)
    at org.jboss.modules.Module.getResourceAsStream(Module.java:635)
    at org.jboss.modules.ModuleClassLoader.findResourceAsStream(ModuleClassLoader.java:587)
    at org.jboss.modules.ConcurrentClassLoader.getResourceAsStream(ConcurrentClassLoader.java:362)
    at org.apache.xml.dtm.SecuritySupport12$6.run(SecuritySupport12.java:121)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.apache.xml.dtm.SecuritySupport12.getResourceAsStream(SecuritySupport12.java:114)
    at org.apache.xml.dtm.ObjectFactory.findJarServiceProviderName(ObjectFactory.java:551)
    at org.apache.xml.dtm.ObjectFactory.lookUpFactoryClassName(ObjectFactory.java:375)
    at org.apache.xml.dtm.ObjectFactory.lookUpFactoryClass(ObjectFactory.java:208)
    at org.apache.xml.dtm.ObjectFactory.createObject(ObjectFactory.java:133)
    at org.apache.xml.dtm.ObjectFactory.createObject(ObjectFactory.java:103)
    at org.apache.xml.dtm.DTMManager.newInstance(DTMManager.java:137)
    at org.apache.xpath.XPathContext. (XPathContext.java:102)
    at org.apache.xpath.XPathAPI.eval(XPathAPI.java:225)
    at org.apache.xpath.XPathAPI.selectNodeList(XPathAPI.java:167)
    at org.apache.xpath.XPathAPI.selectNodeList(XPathAPI.java:147)
...