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Check the optimization level on your com.ibm.mq.jar file. It looks like you're trying to load a class used for managed connections in an app server environment even though you're running from a command line. If the optimization level is 40, try making it 30 and see if that fixes the problem. Gary > -----Original Message----- > From: java400-l-bounces@xxxxxxxxxxxx > [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Vengoal Chang > Sent: Wednesday, November 17, 2004 12:18 AM > To: 'Java Programming on and around the iSeries / AS400' > Subject: MQ client run on AS400 using java got Exception > > Hi all, > I wrote a MQClientSample.java and I ran on AS/400 with > JDK 1.4.2 got following exception: > > java MQClientSample 172.16.15.28 1415 > SYSTEM.DEFAULT.LOCAL.QUEUE NET.CHANNEL AS400 > > > java.lang.NoClassDefFoundError: javax/resource/spi/ConnectionManager > > at java/lang/Throwable.<init>(Throwable.java:195) > > at java/lang/Error.<init>(Error.java:49) > > at > java/lang/NoClassDefFoundError.<init>(NoClassDefFoundError.java:40 > ) > > at com/ibm/mq/MQEnvironment.<clinit>(MQEnvironment.java:110) > > at MQClientSample.<init>(MQClientSample.java:22) > > at MQClientSample.main(MQClientSample.java:269) > > But if I specified JDK 1.3, > > java -Djava.version=1.3 MQClientSample 172.16.15.28 1415 > SYSTEM.DEFAULT.LOCAL.QUEUE NET.CHANNEL AS400 > > Normal exit. > > But If I ran the java program on PC with JDK 1.4.2, no exception. > > What's problem with JDK 1.4.2 on AS/400 ? > > Could you help me to solve it ? > > Best regards, > > Vengoal > > Source as following: > // On AS/400: > // set ADDENVVAR CLASSPATH > '.:/QIBM/ProdData/mqm/java/lib/com.ibm.mq.jar' > // java -Djava.version=1.3 MQClientSample 172.16.15.28 1415 > SYSTEM.DEFAULT. > LOCAL.QUEUE NET.CHANNEL AS400 > > > // On PC > // set CLASSPATH = %CLASSPATH%;C:\IBM\java\lib\com.ibm.mq.jar > // java MQClientSample > > import com.ibm.mq.*; // Include the WebSphere MQ > class for Java > package > > public class MQClientSample > { > > private String hostname; // > define the name of > your host to connect to > private String channel; // > define name of > channel for client to use > private String qManager; // > define name of > queue manager object to > private MQQueueManager qMgr; // > define a queue > manager object > > public MQClientSample(String hostname, int port, > String channel, > String qmanager) > { > // When the class is called, this initialization is done first. > // Set up MQ environment > MQEnvironment.hostname = hostname; // Could > have put the > hostname & channel > MQEnvironment.channel = channel; // > string directly > here! > MQEnvironment.port = port; > MQEnvironment.CCSID = 950; > qManager = qmanager; > } > > public void ConnectQmgr() > { > try > { > // Create a connection to the queue manager > qMgr = new MQQueueManager(qManager); > } > // If an error has occured in the above, try to identify > what went wrong. > // Was it an MQ error? > catch (MQException ex) > { > System.out.println("An MQ error occurred : Completion code " + > ex.completionCode + > " Reason code " + ex.reasonCode); > } > } > > public MQQueue openQ(String qName) > { > MQQueue queue = null; > try { > int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | > MQC.MQOO_OUTPUT ; > queue = qMgr.accessQueue(qName, openOptions); > } > catch (MQException ex) > { > System.out.println("An MQ error occurred : Completion code " + > ex.completionCode + > " Reason code " + ex.reasonCode); > } > return queue; > } > > public void closeQ(MQQueue queue) > { > try { > queue.close(); > } > catch (MQException ex) > { > System.out.println("An MQ error occurred : Completion code " + > ex.completionCode + > " Reason code " + ex.reasonCode); > } > } > > public void disconnectQmgr() > { > try { > qMgr.disconnect(); > } > catch (MQException ex) > { > System.out.println("An MQ error occurred : Completion code " + > ex.completionCode + > " Reason code " + ex.reasonCode); > } > } > > public void putMsg(MQQueue queue, String msgStr, int characterSet) > { > MQMessage mqmessage = null; > try > { > mqmessage = new MQMessage(); > mqmessage.format = MQC.MQFMT_STRING; > mqmessage.characterSet = characterSet; > mqmessage.writeString(msgStr); > MQPutMessageOptions pmo = new MQPutMessageOptions(); > queue.put(mqmessage,pmo); > > } > catch (MQException ex) > { > System.out.println("An MQ error occurred : Completion code " + > ex.completionCode + > " Reason code " + ex.reasonCode); > } > // Was it a Java buffer space error? > catch (java.io.IOException ex) > { > System.out.println("An error occurred whilst writing to > the message > buffer: " + > ex); > ex.printStackTrace(); > } > } > > public String getMsg(MQQueue queue, int wait) > { > String msgText=null; > MQMessage retrievedMessage = null; > try > { > retrievedMessage = new MQMessage(); > MQGetMessageOptions gmo = new MQGetMessageOptions(); > if (wait > 0) > { > gmo.options= MQC.MQGMO_WAIT; > gmo.waitInterval = wait; > } > queue.get(retrievedMessage, gmo); > int msgLen = retrievedMessage.getTotalMessageLength(); > byte as400data[] = new byte [msgLen]; > retrievedMessage.readFully(as400data); > if (retrievedMessage.characterSet == 937) > { > msgText = new String(as400data,"Cp937"); > } > if (retrievedMessage.characterSet == 950) > { > msgText = new String(as400data,"Cp950"); > } > } > catch (MQException ex) > { > System.out.println("An MQ error occurred : Completion code " + > ex.completionCode + > " Reason code " + ex.reasonCode); > } > // Was it a Java buffer space error? > catch (java.io.IOException ex) > { > System.out.println("An error occurred whilst writing to > the message > buffer: " + > ex); > ex.printStackTrace(); > } > > return msgText; > } > > public void MQClientPutGet() > { > > try { > // Create a connection to the queue manager > qMgr = new MQQueueManager(qManager); > > // Set up the options on the queue we wish to open... > // Note. All MQ Options are prefixed with MQC in Java. > > int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | > MQC.MQOO_OUTPUT ; > > // Now specify the queue that we wish to open, and the > open options... > > MQQueue system_default_local_queue = > qMgr.accessQueue("SYSTEM.DEFAULT.LOCAL.QUEUE", > openOptions, > null, // default q manager > null, // no dynamic q name > null); // no alternate user id > > > // Define a simple MQ message, and initialise it in UTF format.. > > MQMessage hello_world = new MQMessage(); > hello_world.format = MQC.MQFMT_STRING; > hello_world.characterSet = 950; > hello_world.writeString("Hello World!你好"); > > System.out.println("After Writing ..."); > > // specify the message options... > > MQPutMessageOptions pmo = new MQPutMessageOptions(); > // accept the defaults, same > > // as MQPMO_DEFAULT constant > > // put the message on the queue > > system_default_local_queue.put(hello_world,pmo); > > // get the message back again... > // First define a MQ message buffer to receive the > message into.. > > MQMessage retrievedMessage = new MQMessage(); > retrievedMessage.messageId = hello_world.messageId; > > // Set the get message options.. > > MQGetMessageOptions gmo = new MQGetMessageOptions(); > // accept the defaults > > // same as MQGMO_DEFAULT > > // get the message off the queue.. > System.out.println("before Read ..."); > system_default_local_queue.get(retrievedMessage, > gmo, > 100); // > max message size > > // And prove we have the message by displaying the UTF > message text > int msgLen = retrievedMessage.getTotalMessageLength(); > byte as400data[] = new byte [msgLen]; > retrievedMessage.readFully(as400data); > String msgText=null; > if (retrievedMessage.characterSet == 937) > { > msgText = new String(as400data,"Cp937"); > } > if (retrievedMessage.characterSet == 950) > { > msgText = new String(as400data,"Cp950"); > } > //String msgText = retrievedMessage.readUTF(); > //String msgText = retrievedMessage.readString(msgLen); > System.out.println("After Read ..."); > System.out.println("The message is: " + msgText); > > // Close the queue > > system_default_local_queue.close(); > > // Disconnect from the queue manager > > qMgr.disconnect(); > > } > > // If an error has occured in the above, try to identify > what went wrong. > // Was it an MQ error? > > catch (MQException ex) > { > System.out.println("An MQ error occurred : Completion code " + > ex.completionCode + > " Reason code " + ex.reasonCode); > } > // Was it a Java buffer space error? > catch (java.io.IOException ex) > { > System.out.println("An error occurred whilst writing to > the message > buffer: " + > ex); > } > > } // end MQclientPutGet > > public static void main(String args[]) > { > System.out.println("Usage: java MQClientSample host > port openqueue channel qmanager"); > // String hostname = "172.16.15.28"; > // String channel = "NET.CHANNEL"; > // String qmanager = "AS400"; > // int port =1415; > String hostname = args[0]; > String openqueue = args[2]; > String channel = args[3]; > String qmanager = args[4]; > int port = Integer.parseInt(args[1]); > MQClientSample mqclient = new MQClientSample(hostname, > port, channel, qmanager); > // mqclient.MQClientPutGet(); > mqclient.ConnectQmgr(); > MQQueue queue = mqclient.openQ(openqueue); > mqclient.putMsg(queue, "Hello World!你好", 950); > String msgText = mqclient.getMsg(queue,0); > System.out.println("The message is: " + msgText); > mqclient.closeQ(queue); > mqclient.disconnectQmgr(); > System.exit(0); > } > > } // end of sample > > > > > -- > This is the Java Programming on and around the iSeries / > AS400 (JAVA400-L) mailing list To post a message email: > JAVA400-L@xxxxxxxxxxxx To subscribe, unsubscribe, or change > list options, > visit: http://lists.midrange.com/mailman/listinfo/java400-l > or email: JAVA400-L-request@xxxxxxxxxxxx Before posting, > please take a moment to review the archives at > http://archive.midrange.com/java400-l. >
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