Getting Null pointer Excepition when I tried to read the properties file

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I am trying to read the properties file. but I am getting the Null pointer Exception, Can some one help me.

00:11:24,941 ERROR [org.jboss.as.webservices.invocation.InvocationHandlerJAXWS] (http-zlt09287.vci.att.com/130.4.174.192:8080-3) JBAS015594: Method invocation failed with exception: Caught java.lang.NullPointerException: com.att.nmtc.trunkprovisioningnotification.v1.WSException: Caught java.lang.NullPointerException
at com.att.nmtc.trunkprovisioningnotification.v1.TrunkProvisioningNotificationImpl.trunkProvisioningComplete(TrunkProvisioningNotificationImpl.java:151) [classes:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_85]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_85]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_85]
at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_85]
at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) [jboss-as-ee-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63) [jboss-as-ee-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63) [jboss-as-ee-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.as.webservices.deployers.WSComponentInstanceAssociationInterceptor.processInvocation(WSComponentInstanceAssociationInterceptor.java:49)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:185) [jboss-as-ee-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
at org.jboss.as.webservices.invocation.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:129)
at org.jboss.wsf.stack.cxf.JBossWSInvoker.performInvocation(JBossWSInvoker.java:177)
at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:104)
at org.apache.cxf.jaxws.AbstractJAXWSMethodInvoker.invoke(AbstractJAXWSMethodInvoker.java:237)
at org.apache.cxf.jaxws.JAXWSMethodInvoker.invoke(JAXWSMethodInvoker.java:69)
at org.jboss.wsf.stack.cxf.JBossWSInvoker.invoke(JBossWSInvoker.java:146)
at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [rt.jar:1.7.0_85]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [rt.jar:1.7.0_85]
at org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:37)
at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:107)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:249)
at org.jboss.wsf.stack.cxf.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:97)
at org.jboss.wsf.stack.cxf.transport.ServletHelper.callRequestHandler(ServletHelper.java:131)
at org.jboss.wsf.stack.cxf.CXFServletExt.invoke(CXFServletExt.java:88)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:206)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-2.jar:1.0.2.Final-redhat-2]
at org.jboss.wsf.stack.cxf.CXFServletExt.service(CXFServletExt.java:136)
at org.jboss.wsf.spi.deployment.WSFServlet.service(WSFServlet.java:140) [jbossws-spi-2.3.1.Final-redhat-1.jar:2.3.1.Final-redhat-1]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-2.jar:1.0.2.Final-redhat-2]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:150) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:854) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]
at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_85]

00:11:24,959 INFO [org.apache.cxf.phase.PhaseInterceptorChain] (http-zlt09287.vci.att.com/130.4.174.192:8080-3) Application {http://nmtc.att.com/trunkprovisioningnotification/v1}TrunkProvisioningNotificationService#{http://nmtc.att.com/trunkprovisioningnotification/v1}TrunkProvisioningComplete has thrown exception, unwinding now: com.att.nmtc.trunkprovisioningnotification.v1.WSException: Caught java.lang.NullPointerException

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Here is the steps what I had done

mkdir -p $JBOSS_HOME/modules/nmtc/conf/main/properties/

placed three properties files here

$ pwd
/opt/app/workload/jboss/jboss-eap-6.4/modules/nmtc/conf/main/properties
$ ll
total 12
-rwxr-x--- 1 jboss jboss 301 Oct 25 00:03 DBInterface.prp
-rwxr-x--- 1 jboss jboss 328 Oct 25 00:03 FileLogger.prp
-rwxr-x--- 1 jboss jboss 70 Oct 25 00:03 spp.properties
$

touch $JBOSS_HOME/modules/nmtc/conf/main/module.xml

added below content

Here is my jboss-deployment-structure.xml

<?xml version="1.0" encoding="UTF-8"?>

Code.

Properties props = new Properties();

try
{
URL url = Thread.currentThread().getContextClassLoader().getResource("DBInterface.prp");
if(url == null) {
System.out.println("propertiesFile:DBInterface.prp" + " does not exist");
}
InputStream is = url.openStream();
props.load(is);
} catch (IOException e){
FileLogger.log(FileLogger.WARN, e.toString());
}

Actually in Impl class I am calling DBclass constructor, in the construcor I am trying to read the db properties file.

VP

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