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java.lang.NullPointerException: 	at java.util.regex.Pattern.(Pattern.java:1132)	at java.util.regex.Pattern.compile(Pattern.java:823)	at com.liferay.util.axis.SimpleHTTPSender.(SimpleHTTPSender.java:160)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:247)	at org.apache.axis.utils.ClassUtils$2.run(ClassUtils.java:177)	at java.security.AccessController.doPrivileged(Native Method)	at org.apache.axis.utils.ClassUtils.loadClass(ClassUtils.java:160)	at org.apache.axis.utils.ClassUtils.forName(ClassUtils.java:100)	at org.apache.axis.deployment.wsdd.WSDDTargetedChain.makeNewInstance(WSDDTargetedChain.java:157)	at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)	at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)	at org.apache.axis.deployment.wsdd.WSDDDeployment.getTransport(WSDDDeployment.java:410)	at org.apache.axis.configuration.FileProvider.getTransport(FileProvider.java:257)	at org.apache.axis.AxisEngine.getTransport(AxisEngine.java:332)	at org.apache.axis.client.AxisClient.invoke(AxisClient.java:163)	at org.apache.axis.client.Call.invokeEngine(Call.java:2784)	at org.apache.axis.client.Call.invoke(Call.java:2767)	at org.apache.axis.client.Call.invoke(Call.java:2443)	at org.apache.axis.client.Call.invoke(Call.java:2366)	at org.apache.axis.client.Call.invoke(Call.java:1812)	at org.tempuri.GSP2_1_Biztalk_USC_Hub_USC_GetRequestListByStatus_Port_GetRequestListSoapStub.getRequestListByUser(GSP2_1_Biztalk_USC_Hub_USC_GetRequestListByStatus_Port_GetRequestListSoapStub.java:165)	at org.tempuri.GSP2_1_Biztalk_USC_Hub_USC_GetRequestListByStatus_Port_GetRequestListSoapProxy.getRequestListByUser(GSP2_1_Biztalk_USC_Hub_USC_GetRequestListByStatus_Port_GetRequestListSoapProxy.java:50)	at com.atosorigin.usc.services.Test.main(Test.java:32)