The error message still mentions "/usr/java/jre1.6.0_06/lib/tools.jar". You can try changing PATH to jdk as well.
Ant shouldn't be looking for files in the jre directory. By the way, are you on cygwin? Not sure if the hadoop native lib build is supported on cygwin or not. Zheng -----Original Message----- From: Sandy [mailto:[EMAIL PROTECTED] Sent: Wednesday, June 25, 2008 2:31 PM To: [email protected] Subject: Re: Compiling Word Count in C++ : Hadoop Pipes My apologies. I had thought I had made that change already. Regardless, I still get the same error: $ ant -Dcompile.c++=yes compile-c++-examples Unable to locate tools.jar. Expected to find it in /usr/java/jre1.6.0_06/lib/tools.jar Buildfile: build.xml init: [touch] Creating /tmp/null265867151 [delete] Deleting: /tmp/null265867151 [exec] svn: '.' is not a working copy [exec] svn: '.' is not a working copy check-c++-makefiles: create-c++-examples-pipes-makefile: create-c++-pipes-makefile: create-c++-utils-makefile: BUILD FAILED /home/sjm/Desktop/hadoop-0.16.4/build.xml:947: Execute failed: java.io.IOException: Cannot run program "/home/sjm/Desktop/hadoop-0.16.4/src/c++/utils/configure" (in directory "/home/sjm/Desktop/hadoop-0.16.4/build/c++-build/Linux-i386-32/utils"): java.io.IOException: error=13, Permission denied Total time: 1 second My .bash_profile now contains the line JAVA_HOME=/usr/java/jdk1.6.0_06; export JAVA_HOME I then did source .bash_profile conf/hadoop-env.sh Is there anything else I need to do to make the changes take effect? Thanks again for the assistance. -SM On Wed, Jun 25, 2008 at 3:43 PM, lohit <[EMAIL PROTECTED]> wrote: > may be set it to JDK home? I have set it to my JDK. > > ----- Original Message ---- > From: Sandy <[EMAIL PROTECTED]> > To: [email protected] > Sent: Wednesday, June 25, 2008 12:31:18 PM > Subject: Re: Compiling Word Count in C++ : Hadoop Pipes > > I am under the impression that it already is. As I posted in my original > e-mail, here are the declarations in hadoop-env.sh and my .bash_profile > > My hadoop-env.sh file looks something like: > # Set Hadoop-specific environment variables here. > > # The only required environment variable is JAVA_HOME. All others are > # optional. When running a distributed configuration it is best to > # set JAVA_HOME in this file, so that it is correctly defined on > # remote nodes. > > # The java implementation to use. Required. > # export JAVA_HOME=$JAVA_HOME > > > and my .bash_profile file has this line in it: > JAVA_HOME=/usr/java/jre1.6.0_06; export JAVA_HOME > export PATH > > > Is there a different way I'm supposed to set the JAVA_HOME environment > variable? > > Much thanks, > > -SM > On Wed, Jun 25, 2008 at 3:22 PM, Zheng Shao <[EMAIL PROTECTED]> wrote: > > > You need to set JAVA_HOME to your jdk directory (instead of jre). > > This is required by ant. > > > > Zheng > > -----Original Message----- > > From: Sandy [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, June 25, 2008 11:22 AM > > To: [email protected] > > Subject: Re: Compiling Word Count in C++ : Hadoop Pipes > > > > I'm not sure how this answers my question. Could you be more specific? I > > still am getting the above error when I type this commmand in. To > > summarize: > > > > With my current setup, this occurs: > > $ ant -Dcompile.c++=yes compile-c++-examples > > Unable to locate tools.jar. Expected to find it in > > /usr/java/jre1.6.0_06/lib/tools.jar > > Buildfile: build.xml > > > > init: > > [touch] Creating /tmp/null2044923713 > > [delete] Deleting: /tmp/null2044923713 > > [exec] svn: '.' is not a working copy > > [exec] svn: '.' is not a working copy > > > > check-c++-makefiles: > > > > create-c++-examples-pipes-makefile: > > [mkdir] Created dir: > > /home/sjm/Desktop/hadoop-0.16.4/build/c++-build/Linux-i386-32/examples/p > > ipes > > > > BUILD FAILED > > /home/sjm/Desktop/hadoop-0.16.4/build.xml:987: Execute failed: > > java.io.IOException: Cannot run program > > "/home/sjm/Desktop/hadoop-0.16.4/src/examples/pipes/configure" (in > > directory > > "/home/sjm/Desktop/hadoop-0.16.4/build/c++-build/Linux-i386-32/examples/ > > pipes"): > > java.io.IOException: error=13, Permission denied > > > > Total time: 1 second > > > > ----- > > > > If I copy the tools.jar file located in my jdk's lib folder, i get the > > error > > message I printed in the previous message. > > > > Could someone please tell me or suggest to me what I am doing wrong? > > > > Thanks, > > > > -SM > > > > On Wed, Jun 25, 2008 at 1:53 PM, lohit <[EMAIL PROTECTED]> wrote: > > > > > ant -Dcompile.c++=yes compile-c++-examples > > > I picked it up from build.xml > > > > > > Thanks, > > > Lohit > > > > > > ----- Original Message ---- > > > From: Sandy <[EMAIL PROTECTED]> > > > To: [email protected] > > > Sent: Wednesday, June 25, 2008 10:44:20 AM > > > Subject: Compiling Word Count in C++ : Hadoop Pipes > > > > > > Hi, > > > > > > I am currently trying to get Hadoop Pipes working. I am following the > > > instructions at the hadoop wiki, where it provides code for a C++ > > > implementation of Word Count (located here: > > > http://wiki.apache.org/hadoop/C++WordCount?highlight=%28C%2B%2B%29) > > > > > > I am having some trouble parsing the instructions. What should the > > file > > > containing the new word count program be called? "examples"? > > > > > > If I were to call the file "example" and type in the following: > > > $ ant -Dcompile.c++=yes example > > > Buildfile: build.xml > > > > > > BUILD FAILED > > > Target `example' does not exist in this project. > > > > > > Total time: 0 seconds > > > > > > > > > If I try and compile with "examples" as stated on the wiki, I get: > > > $ ant -Dcompile.c++=yes examples > > > Buildfile: build.xml > > > > > > clover.setup: > > > > > > clover.info: > > > [echo] > > > [echo] Clover not found. Code coverage reports disabled. > > > [echo] > > > > > > clover: > > > > > > init: > > > [touch] Creating /tmp/null810513231 > > > [delete] Deleting: /tmp/null810513231 > > > [exec] svn: '.' is not a working copy > > > [exec] svn: '.' is not a working copy > > > > > > record-parser: > > > > > > compile-rcc-compiler: > > > [javac] Compiling 29 source files to > > > /home/sjm/Desktop/hadoop-0.16.4/build/classes > > > > > > BUILD FAILED > > > /home/sjm/Desktop/hadoop-0.16.4/build.xml:241: Unable to find a javac > > > compiler; > > > com.sun.tools.javac.Main is not on the classpath. > > > Perhaps JAVA_HOME does not point to the JDK > > > > > > Total time: 1 second > > > > > > > > > > > > I am a bit puzzled by this. Originally I got the error that tools.jar > > was > > > not found, because it was looking for it under > > > /usr/java/jre1.6.0_06/lib/tools.jar . There is a tools.jar under > > > /usr/java/jdk1.6.0_06/lib/tools.jar. If I copy this file over to the > > jre > > > folder, that message goes away and its replaced with the above > > message. > > > > > > My hadoop-env.sh file looks something like: > > > # Set Hadoop-specific environment variables here. > > > > > > # The only required environment variable is JAVA_HOME. All others are > > > # optional. When running a distributed configuration it is best to > > > # set JAVA_HOME in this file, so that it is correctly defined on > > > # remote nodes. > > > > > > # The java implementation to use. Required. > > > # export JAVA_HOME=$JAVA_HOME > > > > > > > > > and my .bash_profile file has this line in it: > > > JAVA_HOME=/usr/java/jre1.6.0_06; export JAVA_HOME > > > export PATH > > > > > > > > > Furthermore, if I go to the command line and type in javac -version, I > > get: > > > $ javac -version > > > javac 1.6.0_06 > > > > > > > > > I also had no problem getting through the hadoop word count map reduce > > > tutorial in Java. It was able to find my java compiler fine. Could > > someone > > > please point me in the right direction? Also, since it is an sh file, > > > should > > > that export line in hadoop-env.sh really start with a hash sign? > > > > > > Thank you in advance for your assistance. > > > > > > -SM > > > > > > > > > >
