It was working in diff environments .i am having mq client 5.2 in the
current environment where the exception is thrown.
detailed routine.
java.io.UnsupportedEncodingException: Cp500
at sun.io.Converters.getConverterClass(Converters.java(Compiled
Code))
at sun.io.Converters.newConverter(Converters.java(Compiled Code))
at java.io.InputStreamReader.<init>(InputStreamReader.java(Compiled
Code))
at java.io.InputStreamReader.<init>(InputStreamReader.java(Compiled
Code))
at com.ibm.mq.MQMessage.readConvertedString(MQMessage.java:923)
at com.ibm.mq.MQMessage.readString(MQMessage.java:893)