Problem with compiling
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Can anyone tell me what I am missing here? C:\Documents and Settings\keklein\REXX+ Tue 05/29/2012 16:16 > nrc IsFile.nrx NetRexx portable processor, version 3.01 Copyright (c) RexxLA, 2011. All rights reserved. Parts Copyright (c) IBM Corporation, 1995,2008. Program IsFile.nrx === class IsFile === method main(String[]) 6 +++ method main(a=String[]) public +++ ^^^^ +++ Warning: 'main' method assumed static, as its only argument is type 'String[]' Exception in thread "main" java.lang.NoClassDefFoundError: sun/tools/javac/Main at org.netrexx.process.RxTranslator.compile(RxTranslator.nrx:618) at org.netrexx.process.NetRexxC.process(NetRexxC.nrx:239) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:165) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:154) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:152) at org.netrexx.process.NetRexxC.main(NetRexxC.nrx:91) Caused by: java.lang.ClassNotFoundException: sun.tools.javac.Main at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) ... 6 more C:\Documents and Settings\keklein\REXX+ Tue 05/29/2012 16:16 > cat IsFile.nrx import java.io.File class IsFile public properties method main(a=String[]) public Do label CPC6 say File.separator findFile = File File(" C: " ||File.separator|| " java-tutorial " ||File.separator|| " Test " ||F ile.separator||"anyfile.txt") say findFile.isFile() End CPC6 Kenneth Klein _______________________________________________ Ibm-netrexx mailing list [hidden email] Online Archive : http://ibm-netrexx.215625.n3.nabble.com/ |
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Hi Kenneth, Try as I may, I cannot reproduce this – I get the warning but not the exception... What Java version are you using? Dave From: [hidden email] [mailto:[hidden email]] On Behalf Of [hidden email]
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In reply to this post by kenner
Hi Kenneth;
There are two problems: The warning message is because you explicitly coded the main method and that method must be static in a NetRexx program (because it is called before any objects are created). The exception error means that the NetRexx compiler could not find the Java compiler for the final stage of the compile process. Please run the following Java class on your compile system (download the class file and enter "java envirotest" from the file directory) and it should tell you where to find the Java compiler jar you need: http://kenai.com/projects/netrexx-plus/downloads/download/Envirotest/envirotest.class -- Kermit On 5/29/2012 1:24 PM, [hidden email] wrote:
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In reply to this post by Dave Woodman
Welcome to the JavaTM 2 Standard Edition Runtime Environment. This is what I get when I run Java Runtime out of the "all programs" menu. This is my classpath: . "C:\Program Files\Java\jre6\lib\ext\NetRexxC.jar" "C:\Program Files\Java\jre6\lib\ext\tools.jar" "C:\PROGRA~1\IBM\SQLLIB\java\db2java.zip" "C:\PROGRA~1\IBM\SQLLIB\java\db2jcc.jar" "C:\PROGRA~1\IBM\SQLLIB\java\sqlj.zip" "C:\PROGRA~1\IBM\SQLLIB\java\db2jcc_license_cu.jar" "C:\PROGRA~1\IBM\SQLLIB\bin" "C:\PROGRA~1\IBM\SQLLIB\java\common.jar" "C:\Program Files\Java\jre6\lib\ext\QTJava.zip" "C:\Documents and Settings\keklein\REXX\NetRexx\lib\Rexx2Nrx.jar" "C:\Documents and Settings\keklein\REXX\NetRexx\lib\NetRexxC.jar" "C:\netrexxify\netrexxify.jar" Kenneth Klein
Hi Kenneth, Try as I may, I cannot reproduce this – I get the warning but not the exception... What Java version are you using? Dave From: [hidden email] [mailto:[hidden email]] On Behalf Of [hidden email] Sent: 29 May 2012 21:24 To: IBM Netrexx Subject: [Ibm-netrexx] Problem with compiling Can anyone tell me what I am missing here? C:\Documents and Settings\keklein\REXX+ Tue 05/29/2012 16:16 > nrc IsFile.nrx NetRexx portable processor, version 3.01 Copyright (c) RexxLA, 2011. All rights reserved. Parts Copyright (c) IBM Corporation, 1995,2008. Program IsFile.nrx === class IsFile === method main(String[]) 6 +++ method main(a=String[]) public +++ ^^^^ +++ Warning: 'main' method assumed static, as its only argument is type 'String[]' Exception in thread "main" java.lang.NoClassDefFoundError: sun/tools/javac/Main at org.netrexx.process.RxTranslator.compile(RxTranslator.nrx:618) at org.netrexx.process.NetRexxC.process(NetRexxC.nrx:239) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:165) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:154) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:152) at org.netrexx.process.NetRexxC.main(NetRexxC.nrx:91) Caused by: java.lang.ClassNotFoundException: sun.tools.javac.Main at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) ... 6 more C:\Documents and Settings\keklein\REXX+ Tue 05/29/2012 16:16 > cat IsFile.nrx import java.io.File class IsFile public properties method main(a=String[]) public Do label CPC6 say File.separator findFile = File File(" C: " ||File.separator|| " java-tutorial " ||File.separator|| " Test " ||F ile.separator||"anyfile.txt") say findFile.isFile() End CPC6 Kenneth Klein_______________________________________________ Ibm-netrexx mailing list [hidden email] Online Archive : http://ibm-netrexx.215625.n3.nabble.com/ _______________________________________________ Ibm-netrexx mailing list [hidden email] Online Archive : http://ibm-netrexx.215625.n3.nabble.com/ |
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In reply to this post by Kermit Kiser
Good call KK. I had recently "tweaked"my classpath. It compiles now. I'm still confused about the "main" method and constructors and instantiation. I've found the java tutorials and doc on oracle.com. Is there anything more suited to my level of understanding?
Hi Kenneth; There are two problems: The warning message is because you explicitly coded the main method and that method must be static in a NetRexx program (because it is called before any objects are created). The exception error means that the NetRexx compiler could not find the Java compiler for the final stage of the compile process. Please run the following Java class on your compile system (download the class file and enter "java envirotest" from the file directory) and it should tell you where to find the Java compiler jar you need: http://kenai.com/projects/netrexx-plus/downloads/download/Envirotest/envirotest.class -- Kermit On 5/29/2012 1:24 PM, kenneth.klein@... wrote: Can anyone tell me what I am missing here? C:\Documents and Settings\keklein\REXX+ Tue 05/29/2012 16:16 > nrc IsFile.nrx NetRexx portable processor, version 3.01 Copyright (c) RexxLA, 2011. All rights reserved. Parts Copyright (c) IBM Corporation, 1995,2008. Program IsFile.nrx === class IsFile === method main(String[]) 6 +++ method main(a=String[]) public +++ ^^^^ +++ Warning: 'main' method assumed static, as its only argument is type 'String[]' Exception in thread "main" java.lang.NoClassDefFoundError: sun/tools/javac/Main at org.netrexx.process.RxTranslator.compile(RxTranslator.nrx:618) at org.netrexx.process.NetRexxC.process(NetRexxC.nrx:239) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:165) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:154) at org.netrexx.process.NetRexxC.main2(NetRexxC.nrx:152) at org.netrexx.process.NetRexxC.main(NetRexxC.nrx:91) Caused by: java.lang.ClassNotFoundException: sun.tools.javac.Main at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) ... 6 more C:\Documents and Settings\keklein\REXX+ Tue 05/29/2012 16:16 > cat IsFile.nrx import java.io.File class IsFile public properties method main(a=String[]) public Do label CPC6 say File.separator findFile = File File(" C: " ||File.separator|| " java-tutorial " ||File.separator|| " Test " ||F ile.separator||"anyfile.txt") say findFile.isFile() End CPC6 Kenneth Klein _______________________________________________ Ibm-netrexx mailing list [hidden email] Online Archive : http://ibm-netrexx.215625.n3.nabble.com/ _______________________________________________ Ibm-netrexx mailing list [hidden email] Online Archive : http://ibm-netrexx.215625.n3.nabble.com/ _______________________________________________ Ibm-netrexx mailing list [hidden email] Online Archive : http://ibm-netrexx.215625.n3.nabble.com/ |
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Kenneth,
I suspect any forum answers to this question will tend to raise more questions than they answer. IMO you're on the right track with the Java Tutorial -- it's designed to present the needed info in logical order. On Wed, May 30, 2012 at 9:14 AM, <[hidden email]> wrote:
-- "One can live magnificently in this world if one knows how to work and how to love." -- Leo Tolstoy _______________________________________________ Ibm-netrexx mailing list [hidden email] Online Archive : http://ibm-netrexx.215625.n3.nabble.com/ |
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I agree that the Java Tutorial is excellent. As an addition to, but not a replacement for, there is http://math.hws.edu/javanotes/. Dave From: [hidden email] [mailto:[hidden email]] On Behalf Of George Hovey Kenneth, On Wed, May 30, 2012 at 9:14 AM, <[hidden email]> wrote:
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