I am not able launch JNLP applications using “Java Web Start”?
Have a look at what happens if you run javaws.exe directly from the command line.
jnlp
SecurityException during executing jnlp file (Missing required Permissions manifest attribute in main jar)
JAR File Manifest Attributes for Security The JAR file manifest contains information about the contents of the JAR file, including security and configuration information. Add the attributes to the manifest before the JAR file is signed. See Modifying a Manifest File in the Java Tutorial for information on adding attributes to the JAR manifest file. … Read more
All possible values os.arch in 32bit JRE and in 64bit Jre
The best place where you can look for this it’s in the own jdk. Looking on java.lang.System you can see that the properties are initialized in initializeSystemClass method using initProperties method which relies on native code using JNI: private static native Properties initProperties(Properties props); /** * Initialize the system class. Called after thread initialization. */ … Read more
Java 7u51 will not accept JNLP with self-signed certificate?
Yes, this is true. This blog entry from Oracle has the details. As I understand it, you have three options for continuing to work: Sign your app with a trusted cert Normally, this is done by acquiring a cert from one of the vendors whose root certs are trusted by Java by default. You can … Read more
Error message “The server selected protocol version TLS10 is not accepted by client preferences”
Go to folder C:\Program Files (x86)\Java\jre1.8.0_291\lib\security. In file java.security, find option jdk.tls.disabledAlgorithms and delete TLSv1.
How can I debug applications under Java Web Start (JNLP)?
It’s quite the same like with any other Java process you want to debug remotely: You have to set up some arguments for the VM (-Xdebug -Xnoagent -Xrunjdwp:transport=dt_socket,server=n,suspend=y,address=12345 ) and then connect to the given port. In Java webstart 6.0 this can be done with the -J option, in earlier version via environment variable JAVAWS_VM_ARGS. … Read more