Unable to locate an executable at usr bin java bin java -1

Question

I am having a pathetic issue with Java in my mac osx 10 7 3   Previously I installed it and it was working fine  After some changes in the  bash profile and  profile file in the course of time  I am having an error like   Unable to locate an executable at   usr bin java bin java    whenever I try to run  javac  or  java  in my terminal    echo  PATH gives an output like     usr bin  bin  usr sbin  sbin  usr local bin  Users sabya Documents Play Framework play-2 0  usr X11 bin  usr local git bin  usr local mysql bin   My  bash profile looks like    alias start mysql   Library StartupItems MySQLCOM MySQLCOM start  alias stop mysql   Library StartupItems MySQLCOM MySQLCOM stop  export JAVA HOME  usr bin java   Output of which java   usr bin java   Its bugging me for long days and uninstalling and installing java did not help my luck    I am a newbie in Mac and need help to sort out this issue    Googled and saw SOF before posting this question but did not find anything specific to my problem    Thanks   Sabya

User · Answer

For those using newer versions of java  jhat has been removed since Java 9  Source  https   www infoq com news 2015 12 OpenJDK-9-removal-of-HPROF-jhat  That same article recommends using Java VisualVM instead

User · Answer

export JAVA HOME  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home   Because      find  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home -name java   Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home bin java  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home bin javac  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home bin javadoc  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home bin javafxpackager  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home bin javah  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home bin javap  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home bin javapackager  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home javafx-src zip  Library Java JavaVirtualMachines jdk1 8 0 45 jdk Contents Home jre bin java

User · Answer

For me  the problem occurs when I ve downloaded macOS Compressed Archive which underlying directory contains jdk-11 0 8 jdk - Contents   - Home     - bin     -       - MacOS   -  CodeSignature  So  to solve the problem  JAVA HOME should be pointed directly to  Path-to-JDK Contents Home

User · Answer

I faced the same problem  Updating bash profile with the following lines  solved the problem for me   export JAVA HOME   usr    export PATH   JAVA HOME  bin  PATH

User · Answer

Most certainly  export JAVA HOME  usr bin java is the culprit  This env var should point to the JDK or JRE installation directory  Googling shows that the best option for MacOS X seems to be export JAVA HOME  Library Java Home

User · Answer

In MacOS Catalina  run  sudo nano    bash profile   In bash profile  add   export JAVA HOME    usr libexec java home  source    bash profile   Verify by running java --version

User · Answer

JAVA HOME is not the name of the java executable  But of the directory  java was installed in  The executable should be  JAVA HOME bin java   The which command is not helpful for you there  It will not give you the java home  but most likely this is just a wrapper or symlink to java installed in a very different directory

User · Answer

i have experienced the same problem  and after reading this post i have double checked the JAVA HOME definition in  bash profile  It is actually   export JAVA HOME   which java    that  exactly as Anony-Mousse is explaining  is the executable  Changing it to   export  Library Java Home   fixes the problem  tho is still interesting to understand why it s valued in that way in the profile file

[java] Unable to locate an executable at "/usr/bin/java/bin/java" (-1)

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