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JAVA INTEROP LIBRARY FOR WINDOWS HPC SERVER
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Introduction ============ This is the Java library providing interop capability with the SOA feature on Windows HPC cluster. All the source code reside in src\ folder. Samples are put under samples\. Prerequisites ============= 1) JDK 188.8.131.52 Please follow JDK's instructions on how to install. 2) CXF 2.4.0 (Warning: other versions of CXF may not work.) Download apache-cxf-2.4.0.zip to home directory. unzip it there. How to build ============ Assuming you are on Linux, 1) On client machine download and install all "Prerequisites". 2) Switch to src\ directory and edit makejar.sh ( makejar.cmd if you are one Windows ). 3) Make sure CXF_HOME points to the correct location. E.g., "export CXF_HOME=~/apache-cxf-2.4.0". 4) Run "makejar.sh" without any argument. How to setup the system ======================= On both head node and broker node, setup certificate. (NOTE: if your broker node is your head node, only do it for once.) a) make sure makecert.exe is in your PATH. NOTE: you might need to install Windows SDK to get makecert.exe. Or install Visual Studio 2010 to get Windows SDK. b) Create a self-signed certificate. Run the following command in elevated console: createcert.cmd <nodename> Createcert.cmd can be found under ~\tools\ directory. c) Install the certificate. In PowerShell, run as an admin user, - Set-ExecutionPolicy Unrestricted - installcert.ps1 install - select the new certificate just created above. It's the one named "CN=<nodename>". Normally it should be the last one. On java client (Linux) machine, set up SSL trust between Java client and Headnode/BrokerNode. - Create the environment variable JAVA_HOME and set it to the Java installation path. Compile the GetCert.java under ~/tools/ - "$JAVA_HOME/bin/javac" GetCert.java a) Create head node and broker node certificates. - "$JAVA_HOME/bin/java" GetCert <HeadNode> - The above should create a file called "cacerts_new" - If broker node is a different node, call "$JAVA_HOME/bin/java" GetCert <BrokerNode> - The above should update the file "cacerts_new" with the certificate for broker node - copy ecacerts to overwrite $JAVA_HOME/jre/lib/security/cacerts (NOTE: You need administrate privilege on Vista/7) Please note the above step on linux client is only required when the preference file ~/.java/.userPrefs/com/microsoft/hpc/scheduler/session/prefs.xml exists and contains the following entry: <map MAP_XML_VERSION="1.0"> <entry key="RequireSSLValidation" value="true"/> </map> If the preference file does not exist or the value is "false" for the key "RequireSSLValidation", the certificates are not required. How to use ========== Refer to sample\helloworld\README.Linux.txt for how to use this library. How to get WSDL =============== Normally, WSDL is not needed since the Java Session API has already been created. However, if you wish to develope your own client (e.g., a python API), you need to configure the cluster to expose WSDL correctly. To do this, on head node, edit %CCP_HOME%Bin\HpcSession.exe.config. Replace "localhost:443" with your <headnode>:443. For example, assume your headnode is called "HeadNode1" <services> <service name="Microsoft.Hpc.Scheduler.Session.Internal.SessionLauncher.SessionLauncher" behaviorConfiguration="EnableMetadata"> <host> <baseAddresses> <add baseAddress="https://HeadNode1:443/SessionLauncher"/> </baseAddresses> </host> ... </service>