I have java 51 and java 60 how to#
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Long finish = System.currentTimeMillis() ('Iteration '+String.valueOf(x)+' current elapsed time '+String.valueOf(currentElapsed)) Long currentElapsed = System.currentTimeMillis() - start InetAddress.getLocalHost().getHostName() String version = System.getProperty('java.version') I have created the following test program. It's just simpler to illustrate what I think it a bug in Java 1.8.0.60. The rest that goes on under that I leave to the java_home utility to manage for me. That's about as far as I really care to follow the path to the Java that gets executed. If you issue the command echo $PATH, /usr/bin should be included in it. If you want to see what that link points to, issue the command ls -l /usr/bin/java

I have java 51 and java 60 install#

If you install JDKs in OS X with default options, which I highly recommend, the link /usr/bin/java is created. Please read through my previous posts carefully. Or just use echo $JAVA_HOME to see what the current value of JAVA_HOME isДЈ. To see just the environment variables in bash, use the env command instead. The java_home utility helps you easily manage the value of the JAVA_HOME environment variable.Дў. You can run it directly with the appropriate command line arguments as explained in the OS X man page I cited or use the shell function I provided or whatever variation you prefer.

I have java 51 and java 60 download#

On the other hand, java_home is a utility program that comes with XCode tools - you must download and install it. Perhaps I gave you too much information all at once.ДЎ. JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home Use the output of the java_home utility to see where the different installed versions of the JDK reside. In Eclipse, you can define different JDK versions and specify which one to use by default or for a particular project. Java HotSpot(TM) 64-Bit Server VM (build 25.51-b03, mixed mode) Java(TM) SE Runtime Environment (build 1.8.0_51-b16) JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home To use a prior version of the JDK, I would run something like: I could also change the default by changing the appropriate line in. I can easily change the version temporarily by running java_home with an appropriate argument in a new terminal window. This makes my terminals default to the latest JDK 1.8 version I have installed. Here's a function I defined as part of my shell environment to make the utility easier to use:Д®xport JAVA_HOME='$(/usr/libexec/java_home -v $1)' It helps you manage multiple versions of Java on OS X. I found mySQL database io particularly noticeable.Д¬heck out the java_home utility.

I have java 51 and java 60 how to#

I'm assuming I need to do something at the Command prompt.ДЄny advice on how to back out the current JDK would be great, also any confirmation of this problem with this version on a OS X machine would be re-assuring. Re-installing the older JDK does not seem to help and nothing in the Java control panel appears to let you select the default.

I have java 51 and java 60 mac#

So - how do I revert the default JDK on my Mac to the previous version. Takes much longer on my Mac with 1.8.0.60 than it does with the previous version.

I have java 51 and java 60 windows#

This only seems to effect my app on OS X, I've tried Windows and it does not seem to occur. I read the release notes for the latest JDK and there were some passing references to DNS. Further tests seem to indicate that any network comms, including the TCP/IP socket connection between jdbc and mysql are experiencing serious delays. 2 days ago I installed the latest JDK on my machine and noticed that the whole application became very sluggish. I run Eclipse and Java on my MacBook Pro.