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Java is a cross-platform programming language created by Sun Microsystems and is now owned by Oracle. Do not confuse this tag with JavaScript or JScript. Questions about installing/running Java on macOS are welcome, questions about Java programming must be asked on StackOverflow.

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How do I resolve a spurious "No suitable Java version found" message?

Given that none of the suggestions I tried actually accomplished anything (and one broke other Java programs), and that either (1) digging into the existing app and double-clicking the JAR, or (2) launching … /jdk1.8.0_121.jdk/Contents/Home'; java -jar /Users/foo/Tn5250j.app/Contents/Resources/Java/tn5250j.jar" (The name of my home directory has been changed "to protect the innocent.") …
hbquikcomjamesl's user avatar
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2 answers
264 views

I would like to preempt a command on my mac (specifically, Keytool)

I need, when generating Java keystores (which I do frequently), to generate them under the Java 8 version of Keytool. … If I use the keytool in the default Java version, they are incompatible with the Java on the target systems we manage. …
hbquikcomjamesl's user avatar
-1 votes
2 answers
1k views

How do I resolve a spurious "No suitable Java version found" message?

--verbose returns 1.8.0_121 (x86_64) "Oracle Corporation" - "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/Home 1.7.0_09 (x86_64) "Oracle Corporation" - "Java SE 7" /Library … /Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/Home /Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/Home And I will note that if anything runs under the Java 7 JVM, text rendering is seriously …
hbquikcomjamesl's user avatar
-1 votes

I would like to preempt a command on my mac (specifically, Keytool)

/bin/bash export JAVA_HOME='/Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/Home' echo -e "\033[0;31m*** USING JAVA 8 KEYTOOL ***\033[0m" /Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/ … Put up a message, in red, to indicate that the Java 8 keytool is in use Explicitly invoke the Java 8 keytool, using the fully qualified path to avoid the recursive tightloop. …
hbquikcomjamesl's user avatar