java-web-start

We use java Webstart to deploy a java application on our intranet. The application receives frequent updates. Once in awhile a user will launch the application from their desktop icon after we have updated the JARs / WAR on the webserver (timestamp changed) and Java Webstart will launch the old version instead of downloading a new one. Here is a paste of our JNLP, as you can see offline-allowed is on, but update check always and policy always. Also, download flag is eager. From my understanding these options should always result in a check of cache against timestamp on server and a download of

Since the java 7 update 25 launched by Oracle our application no longer functions. Initially we got some warning about codebase & sercurity tags missing in the Manifest file, which we fixed. The problem we now end up with is that in the Console we only get the following lines: #### Java Web Start Error: #### null We also get an application Error dialog with the message: Unable to launch the application . The details button gives the following details in the Exception: java.lang.NullPointerException at com.sun.jnlp.JNLPClassLoader.getPermissions(Unknown Source) at java.security

I've been working with web start for a couple years now and have experience with signing the jars and what not. I am taking my first attempt at deploying a RCP app with web start and though I have in fact signed all of the jars with the same certificate I keep getting this error: 'jar resources in jnlp are not signed by the same certificate' Has anyone else came across this? If so, any ideas on how to fix? asalamon74 When I had similar problems after checking the jars it turned out that some 3rd party jar was signed by someone else. You should create a separate jnlp file for the jars signed by

I have to implement a webservice client to a given WSDL file. I used the SDK's 'wsimport' tool to create Java classes from the WSDL as well as a class that wrap's the webservice's only method ( enhanceAddress(auth, param, address) ) into a simple java method. So far, so good. The webservice is functional and returning results correcty. The code looks like this: try { EnhancedAddressList uniservResponse = getWebservicePort().enhanceAddress(m_auth, m_param, uniservAddress); //Where the Port^ is the HTTP Soap 1.2 Endpoint }catch (Throwable e) { throw new AddressValidationException("Error during

Having had our application stop working when customers installed the 7u45 update, we're wondering what more we can do in the future to be ready for these updates up-front and avoid release-day support nightmares. (Per the Java version numbering scheme , the next Critical Patch Update, planned for January 14, will be 7u51. The next Limited Update (date unknown) will be 7u60.) I've poked around the Oracle and OpenJDK websites, and not found anything particularly useful. The main Oracle page for Java SE has an Early Access Downloads section. It has three links that have potential, but don't pan