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I'm trying to use IntelliJ to create a test Java object for use in an upcoming class. My Mac has JDK 1.8 installed and I added the jitter.jar, jode-1.1.2-pre-embedded.jar (what's that for?) and max.jar.

Found those references by just typing mxj into an object by itself and looking at the console.

When I built a simple test program and tried to run it by saying

I get the error message in the Max Console

java.lang.UnsupportedClassVersionError: FirstExample : Unsupported major.minor version 52.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)

    at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

    at com.cycling74.max.MXJClassLoaderImpl.doLoadClass(MXJClassLoaderImpl.java:117)

    at com.cycling74.max.MXJClassLoader.loadClazz(MXJClassLoader.java:88)

which suggests that Max doesn't support my JDK.

I looked under the Max7 application for information about Java and found a ton of stuff that looks like it was written for Max 4

When I built a simple test program and tried to run it by saying
   [mxj FirstExample]

java.lang.UnsupportedClassVersionError: FirstExample : Unsupported major.minor version 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
	at com.cycling74.max.MXJClassLoaderImpl.doLoadClass(MXJClassLoaderImpl.java:117)
	at com.cycling74.max.MXJClassLoader.loadClazz(MXJClassLoader.java:88)
Could not load class 'FirstExample'

I looked under the Max7 application  for information about Java and found a ton of stuff that looks like it was written for Max 4

which-jdk-do-i-need-to-write-a-java-external-for-max-7

Never mind --- I found a 1.6 JDK and got it working. Will Max get updated to support the newer JDK?

check out the wiki pages. i tried to collect the information , bugs and limitations there. the reason why max is stuck.with java 1.6 is basically: since apple stopped providing their own java implementation (with the release of 10.9) Cycling74 never got around implementing support for the oracle java packages. if you are on windows you can use newer java versions. as there is only maintenace work done for java and no active development anymore my guess is that as long as apple keeps their old java packackage available we won't see any move to newer versions... if at all. I won't be surprised if java support will be discontinued one day

check out the wiki pages. i tried to collect the information , bugs and limitations there. the reason why max is stuck.with java 1.6 is basically:  since apple stopped providing their own java implementation (with the release of 10.9) Cycling74 never got around implementing support for the oracle java packages. if you are on windows you can use newer java versions. as there is only maintenace work done for java and no active development anymore my guess is that as long as apple keeps their old java packackage available we won't see any move to newer versions... if at all. I won't be surprised if java support will be discontinued one day


I was able to get everything working with the JDK 8 working but I had to set the level back to 5, which was a pain.

Not sure why setting the level to 6 (i.e. JDK 1.6) didn't work but that generated a mismatch as well.

I was able to get everything working with the JDK 8 working but I had to set the level back to 5, which was a pain. 

Not sure why setting the level to 6 (i.e. JDK 1.6) didn't work but that generated a mismatch as well.


the error message says it's an unsupported minor version. there might have been 1.6 updates since apple discontinued java devevelopment.

Understood --- it would be extremely helpful to know whether Cycling74 will continue to support Java before I invest any time in creating some Java scaffolding for my students

A while (maybe a year or longer) ago i ask directly. the answer was they will take care that things keep functioning but they won't do new dev. that was before max 7. As max 7 still supports java i'd say it will be supported at least though-out the max 7 life cycle. best thing would be to as support.

A while  (maybe a year or longer)  ago i ask directly. the answer was they will take care that things keep functioning but they won't do new dev. that was before max 7. As max 7 still supports java i'd say it will be supported at least though-out the max 7 life cycle. best thing would be to as support.


Does that make real sense, from a corporate point of view ? Isn't Java still a prominent and leading developpement platform & language in the whole world ? Isn't it possible for a third party developper to maintain java on osx ? (i mean it would be a hell of a huge investment, but is it not needed somehow ?)

If Java is a dead end in Max, I fear there's no reason for me to stay with Max either. I do a lot in Java and use Max only for it's gui, clock and midi capabilities. Max 7 was already a disappointment in some areas, if Java is no longer supported (hence the JDK 1.8 version) I would be stuck with older versions of Java. Sigh...

Which JDK do I need to write a Java external for Max 7?