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Java Security: Illegal key size or default parameters?
... 8 u162)
Extract the jar files from the zip and save them in ${java.home}/jre/lib/security/.
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...uted in another version (new on old). However, I only have one version of JRE on my system. If I run the commands:
10 Ans...
How do I find out what keystore my JVM is using?
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Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places,
Computer--->Advanced --> Environment variables---> JAVA_HOME
Your server startup ba...
Access restriction on class due to restriction on required library rt.jar?
...s.
Go to the Build Path settings in the project properties.
Remove the JRE System Library
Add it back; Select "Add Library" and select the JRE System Library. The default worked for me.
This works because you have multiple classes in different jar files. Removing and re-adding the JRE lib will...
What is “runtime”?
...bit and the 32-bit version of OS supported it.
What is commonly called as JRE (Java Runtime Environment) provides a Java program with all the resources it may need to execute.
Actually, runtime environment is brain product of idea of Virtual Machines. A virtual machine implements the raw interface...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...JVM. Determine location of cacerts files, eg.
C:\Program Files (x86)\Java\jre1.6.0_22\lib\security\cacerts.
Next import the example.cer file into cacerts in command line:
keytool -import -alias example -keystore C:\Program Files (x86)\Java\jre1.6.0_22\lib\security\cacerts -file example.cer
You...
Java Error opening registry key
...ing the "java" executables from my system32 folder, I had to reinstall the JRE. After that, my problem was solved. Thanks for the starting point.
– dangowans
Dec 24 '13 at 18:31
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How can I convert my Java program to an .exe file? [closed]
...tive executables. The executable can be configured to search for a certain JRE version or use a bundled one, and it's possible to set runtime options, like the initial/max heap size. The wrapper also provides better user experience through an application icon, a native pre-JRE splash screen, a custo...
javac : command not found
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You installed the Java Runtime Environment (JRE) only, which does not contain javac. For javac, you have to install the OpenJDK Development Environment. You can install java-devel or java-1.6.0-openjdk-devel, which both include javac.
By the way: you can find out whic...
ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
...or example, on my Windows 7 machine, it is in
C:\Program Files (x86)\Java\jre6\bin, and my %PATH% variable looks like C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Program Files (x86)\Java\jre6\bin;C:\WINDOWS\System32\WindowsPowerShell\v1.0\ (and many other entries)
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