Ark and Webstart 6.0 forcing JRE Version

I have an Eclipse RCP application that is deployed via Webstart 6.0. Our users hit our Web server tomcat and download the root jnlp. The root JNLP is double click on the first (from the browser status bar) the application starts successfully. If the user tries to launch the application again by double-clicking on the file via the java in their downloads folder or the application the application cache Viewer fails. After much research I discovered that many of the jars are not loaded on the second attempt, IE. org. Eclipse.SWT.Win32.Win32.x86_3.7.2.v3740f.jar). Looking at newspapers javaws I found this difference:

When he worked the log showed:
account <>
< date > 2012-03-22T 13: 11:10 < / date >
< millis > 1332443470149 < / millis >
< sequence > 222 < / sequence >
com.Sun.deploy < recorder > < / recorder >
< level > FINE < / level >
com.sun.deploy.util.LoggerTraceListener < class > < / class >
< method > print < / method >
< thread > 10 < / thread >
< message > basic: DefaultMatchJRE:
JREDesc: JREDesc [version 1.5 +, heap =-1-1, args = null, href = null, salt = true, null, null]
JREInfo: JREInfo of index 0:
the platform is: 1.6
product: 1.6.0_26
location: http://java.sun.com/products/autodl/j2se
path is: C:\Program Files (x86)\Java\jre6\bin\javaw.exe
args is: null
is native platform: Windows x 86 (x 86, 32-bit)
the Enabled argument is: true
saved is: true
system is: true

Bunch of init:-1
Bunch of max: 67108864
Satisfactory: true fake.
SatisfyingVersion: true
SatisfyingJVMArgs: false, true
SatisfyingSecure: false
JVMParam selected: [JVMParameters: isSecure: false, args:[email protected]/[email protected]/AppData-Declipse.application=com.issinc.tnsClient.core.application]
Running JVMParam: [JVMParameters: isSecure: true, args:]
< / message >
< / recording >

When it failed:

folder >
< date > 2012-03-22T 13: 11:45 < / date >
< millis > 1332443505434 < / millis >
< sequence > 214 < / sequence >
com.Sun.deploy < recorder > < / recorder >
< level > FINE < / level >
com.sun.deploy.util.LoggerTraceListener < class > < / class >
< method > print < / method >
< thread > 10 < / thread >
< message > basic: DefaultMatchJRE:
JREDesc: JREDesc [version 1.5 +, heap =-1-1, args = null, href = null, salt = true, null, null]
JREInfo: JREInfo of index 0:
the platform is: 1.6
product: 1.6.0_30
location: http://java.sun.com/products/autodl/j2se
path is: C:\Program Files\Java\jdk1.6.0_30\bin\javaw.exe
args is: null
is native platform: Windows, amd64 [x86_64, 64-bit]
the Enabled argument is: true
saved is: true
system is: true

Bunch of init:-1
Bunch of max: 67108864
Satisfactory: true fake.
SatisfyingVersion: true
SatisfyingJVMArgs: false, true
SatisfyingSecure: false
JVMParam selected: [JVMParameters: isSecure: false, args:[email protected]/[email protected]/AppData-Declipse.application=com.issinc.tnsClient.core.application]
Running JVMParam: [JVMParameters: isSecure: true, args:]
< / message >
< / recording >

My JNLP has:


<? XML version = "1.0" encoding = "UTF-8"? >
< jnlp spec = '1.0 +' codebase = "http://localhost:9080 / RcpClient" href = "rcpclient.jnlp" >
< information >
< title > RCP Client < /title >
< vendor name > My Company < / seller >
< description > RCP Client Application < / description >
< shortcut >
< office / >
< / shortcut >
< / information >
< security >
< all-permissions / >
< / security >
< audit update 'always' = policy = "always" / >
< resources >
< jar href="plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar"/ >
"< extension name = 'Function-Wrapper' href="features/rcpClient_1.0.0.jnlp ' / >
< property name = "osgi.instance.area" value="@user.home/AppData"/ > "
< property name = "osgi.configuration.area" value="@user.home/AppData"/ > "
< property name = "eclipse.application" value="rcpClient.core.application"/ > "
< / resource >
< resources os = 'Windows' = 'x 86' arch >
< j2se version = "+ 1.5" / >
< / resource >
< class main application-desc = "org.eclipse.equinox.launcher.WebStartMain" >
< argument > - nosplash < / argument >
< / application-desc >
< / jnlp >

I tried several different options on the j2se and the resources OS = 'Windows', but without success. How can I check the version of the jre used so that the application runs systematically? My mobile development, I have both a 32 and 64-bit JRE, our end users will likely have only 32 bits.

It will be easier if you stick the trace files. See the troubleshooting guide for more details on how to get a detailed trace:
http://docs.Oracle.com/javase/7/docs/WebNotes/TSG/TSG-desktop/HTML/plugin.html#gcexdf

The strange thing in your newspaper snippet (which is too small to give a complete picture) which is second time THAT JRE is used from inside the JDK.
This should not happen and probably caused by the JDK bin folder is in your system PATH (unless it's the corrupt registry).
Try to remove or add a real file JRE in JDK bin in the path.

In General JDK is not supposed to be used to run webstart or applets. It is good for development (compilation), but the implementation
WebStart and applet, it is expected that the user has installed JRE.

Tags: Java

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