Issue

Java application is experiencing slowness due to thread contention when creating JAXBContextImpl instances. The root cause of the thread contention is around ZipFile access and BLOCKED threads.

"defaultMessageListenerContainer-173" #1174 prio=5 os_prio=0 tid=0x00007f594c001000 nid=0x551 waiting for monitor entry [0x00007f596fcfa000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:719)
        - waiting to lock <0x0000000728bd2b68> (a sun.net.www.protocol.jar.URLJarFile)
        at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:749)
        at java.io.FilterInputStream.read(FilterInputStream.java:83)
        at java.io.DataInputStream.readByte(DataInputStream.java:265)
        at com.sun.xml.internal.bind.v2.bytecode.ClassTailor.tailor(ClassTailor.java:119)
        at com.sun.xml.internal.bind.v2.runtime.reflect.opt.AccessorInjector.tailor(AccessorInjector.java:107)
        at com.sun.xml.internal.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:68)
        at com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:164)
        at com.sun.xml.internal.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:271)
        at com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor$CompositeTransducedAccessorImpl.<init>(TransducedAccessor.java:220)
        at com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor.get(TransducedAccessor.java:160)
        at com.sun.xml.internal.bind.v2.runtime.property.SingleElementLeafProperty.<init>(SingleElementLeafProperty.java:79)
        at sun.reflect.GeneratedConstructorAccessor67.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
        at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
        at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:488)
        ...

"defaultMessageListenerContainer-172" #1173 prio=5 os_prio=0 tid=0x00007f5960001000 nid=0x550 runnable [0x00007f596fdfb000]
   java.lang.Thread.State: RUNNABLE
        at java.util.zip.ZipFile.read(Native Method)
        at java.util.zip.ZipFile.access$1400(ZipFile.java:60)
        at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:734)
        - locked <0x0000000728bd2b68> (a sun.net.www.protocol.jar.URLJarFile)
        at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:749)
        at java.io.FilterInputStream.read(FilterInputStream.java:83)
        at java.io.DataInputStream.readInt(DataInputStream.java:389)
        at com.sun.xml.internal.bind.v2.bytecode.ClassTailor.tailor(ClassTailor.java:165)
        at com.sun.xml.internal.bind.v2.runtime.reflect.opt.AccessorInjector.tailor(AccessorInjector.java:107)
        at com.sun.xml.internal.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:68)
        at com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:164)
        at com.sun.xml.internal.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:271)
        at com.sun.xml.internal.bind.v2.runtime.property.SingleElementLeafProperty.<init>(SingleElementLeafProperty.java:77)
        at sun.reflect.GeneratedConstructorAccessor67.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
        at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
        at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:488)
        ...