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Thread: JRE install - issues

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    Default JRE install - issues

    I am new to programming, installed jre-7u67-windows-i586 (have Win Vista), tried java tutorial from Oracle and got stuck on first exercise - created x.java file and tried to run it in CMD: javac x.java and got message 'javac' is not recognized as an internal or external command, operable program or batch file. What am I doing wrong/missing?
    thanks


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    Default Re: JRE install - issues

    'javac' is not recognized as an internal or external command, operable program or batch file.
    The OS can not find the javac.exe file. The path to the bin folder that the javac.exe file is in must be in the PATH environment variable.
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: JRE install - issues

    Welcome to the forum! Please read this topic to learn how to post code in code or highlight tags and other useful info for new members.

    There are step-by-step instructions that guide you through how to configure your OS environment for Java development, probably near where you downloaded the JRE. However, the JRE does not include javac, so you need to download and install the Java SDK or JDK. Again, the instructions how to configure your system for its use should be near the download point.

    Good luck and come back if you need help.

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    Default Re: JRE install - issues

    Quote Originally Posted by Norm View Post
    The OS can not find the javac.exe file. The path to the bin folder that the javac.exe file is in must be in the PATH environment variable.
    Thanks Norm! I couldn't find javac.exe in C:/Program Files/Java/jre7/bin (that's my path), I see javacpl Application - is it the same? I entered path 'C:/Program Files/Java/jre7/bin ' everywhere I can think off, with no luck: 1. In user variables I found 'path' with '%CommonProgramFiles%\Microsoft Shared\Windows Live' and appended it with my path as '%CommonProgramFiles%\Microsoft Shared\Windows Live;C:\Program Files\Java\jre7\bin;' 2. I did the same for System variables. 3. I created new variable in System variables - JAVA_HOME and put the same path in it. Now, even before all that when I run 'java -version' in CMD it returns version number, but still, javac command is not recognized.
    Picked up JAVA_TOOL_OPTIONS: -agentlib:jvmhook
    Picked up _JAVA_OPTIONS: -Xrunjvmhook -Xbootclasspath/a:C:\PROGRA~1\HP\QUICKT~1\bin\JAVA_S~1\classes;C:\ PROGRA~1\HP\QUICKT~1\bin\JAVA_S~1\classes\jasmine. jar
    java version "1.7.0_67"
    Java(TM) SE Runtime Environment (build 1.7.0_67-b01)
    Java HotSpot(TM) Client VM (build 24.65-b04, mixed mode)

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    Default Re: JRE install - issues

    I couldn't find javac.exe in
    Sorry, I missed the JRE part. See Greg's post about what package the javac.exe file is part of. It's in the JDK not in the JRE.
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: JRE install - issues

    Quote Originally Posted by Norm View Post
    Sorry, I missed the JRE part. See Greg's post about what package the javac.exe file is part of. It's in the JDK not in the JRE.
    Thanks everyone!
    Looks like JDK8 is not compatible with Vista (was getting 1603 error), I uninstalled everything and installed JDK7, updated Environment variables and it works fine now!

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    Default Re: JRE install - issues

    Glad you figured it out.

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    Default Re: JRE install - issues

    Quote Originally Posted by GregBrannon View Post
    Glad you figured it out.
    another question - I am going through Java Tutorial, created MyFirstJavaProgram.java in Notepad, in CMD went to file location, typed 'javac MyFirstJavaProgram.java' and got ''file not found'. Also it gave me a hint - javac <options> <source files>. am I missing <options>, is it mandatory, or could it be anything else? Thanks

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    Default Re: JRE install - issues

    Was the source file in the current directory when you used the javac command?
    Use the dir command to list the files in the current directory to see what's there.
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: JRE install - issues

    thanks Norm - it turns out file was saved as .txt not .java

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    Default Re: JRE install - issues

    If you are using windows explorer you MUST turn off the feature that hides a file's extension.
    If you don't understand my answer, don't ignore it, ask a question.

  12. The Following User Says Thank You to Norm For This Useful Post:

    GregBrannon (September 30th, 2014)

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