The java -version will indicate that a JRE is present. Try javac -version This will test if a JDK is available
glennop@uphen:~$ java -version java version "1.6.0_23" OpenJDK Runtime Environment (IcedTea6 1.11pre) (6b23~pre10-0ubuntu5) OpenJDK Server VM (build 20.0-b11, mixed mode) glennop@uphen:~$ javac -version javac 1.6.0_23 Then check if the JDK is on the PATH. --glenn On Mon, Oct 24, 2011 at 16:49, Albretch Mueller <lbrt...@gmail.com> wrote: > Hi, > ~ > I have been trying to fix this error message but I am not able to see > exactly what is causing it > ~ > It may relate to the fact that I am trying to compile > gdata-java-client for youtube using knoppix (Debian-based live CD (I > need for it to be like that)) but I can't imagine "tools.jar" was not > included in this version of java (open-jdk) ... or? > ~ > $ uname -a > Linux Microknoppix 2.6.39.3 #21 SMP PREEMPT Sat Jul 23 09:48:39 CEST > 2011 i686 GNU/Linux > ~ > $ java -version > java version "1.6.0_18" > OpenJDK Runtime Environment (IcedTea6 1.8.7) (6b18-1.8.7-2~squeeze1) > OpenJDK Server VM (build 14.0-b16, mixed mode) > ~ > $ ant -version > Unable to locate tools.jar. Expected to find it in > /UNIONFS/usr/lib/jvm/java-6-openjdk/lib/tools.jar > Apache Ant(TM) version 1.8.2 compiled on December 20 2010 > ~ > ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ > ~ > $ pwd > /media/sda7/inst/java/jars/gdata-java-client > > $ wget > http://gdata-java-client.googlecode.com/files/gdata-samples.java-1.46.0.zip > --2011-10-24 16:56:39-- > http://gdata-java-client.googlecode.com/files/gdata-samples.java-1.46.0.zip > Resolving gdata-java-client.googlecode.com... 74.125.91.82 > Connecting to gdata-java-client.googlecode.com|74.125.91.82|:80... connected. > HTTP request sent, awaiting response... 200 OK > Length: 12479380 (12M) [application/octet-stream] > Saving to: `gdata-samples.java-1.46.0.zip' > > 100%[=========================================================================================>] > 12,479,380 149K/s in 86s > > 2011-10-24 16:58:05 (141 KB/s) - `gdata-samples.java-1.46.0.zip' saved > [12479380/12479380] > > $ wget http://gdata-java-client.googlecode.com/files/gdata-src.java-1.46.0.zip > --2011-10-24 17:02:59-- > http://gdata-java-client.googlecode.com/files/gdata-src.java-1.46.0.zip > Resolving gdata-java-client.googlecode.com... 74.125.93.82 > Connecting to gdata-java-client.googlecode.com|74.125.93.82|:80... connected. > HTTP request sent, awaiting response... 200 OK > Length: 11264317 (11M) [application/octet-stream] > Saving to: `gdata-src.java-1.46.0.zip' > > 100%[=========================================================================================>] > 11,264,317 134K/s in 83s > > 2011-10-24 17:04:22 (133 KB/s) - `gdata-src.java-1.46.0.zip' saved > [11264317/11264317] > > $ ls -l > total 23416 > -rw-r--r-- 1 knoppix knoppix 91932 Oct 24 17:01 > gdata-samples.java-1.46.0.png > -rw-r--r-- 1 knoppix knoppix 12479380 Sep 14 15:05 > gdata-samples.java-1.46.0.zip > -rw-r--r-- 1 knoppix knoppix 91395 Oct 24 17:03 gdata-src.java-1.46.0.png > -rw-r--r-- 1 knoppix knoppix 11264317 Sep 14 15:04 gdata-src.java-1.46.0.zip > > $ sha1sum -b *.zip > 08c9bd94eb2835ddb6baacbef5b2a52cefc0b0d7 *gdata-samples.java-1.46.0.zip > 62ab7fc53fcd91a30d4419f9e8bb31878ae085af *gdata-src.java-1.46.0.zip > > * both sha1 signatures checked OK! > > $ unzip gdata-src.java-1.46.0.zip > Archive: gdata-src.java-1.46.0.zip > inflating: gdata/COPYING > inflating: gdata/INSTALL-src.txt > inflating: gdata/README-src.txt > inflating: gdata/RELEASE_NOTES.txt > creating: gdata/java/manifest/ > ... > inflating: gdata/java/doc/package-list > creating: gdata/java/doc/resources/ > extracting: gdata/java/doc/resources/inherit.gif > creating: gdata/java/deps/ > inflating: gdata/java/deps/google-collect-1.0-rc1.jar > inflating: gdata/java/deps/jsr305.jar > > $ unzip gdata-samples.java-1.46.0.zip > > $ unzip gdata-samples.java-1.46.0.zip > Archive: gdata-samples.java-1.46.0.zip > replace gdata/COPYING? [y]es, [n]o, [A]ll, [N]one, [r]ename: ^C > > $ pwd > /media/sda7/inst/java/jars/gdata-java-client/samples > > $ unzip gdata-samples.java-1.46.0.zip > Archive: gdata-samples.java-1.46.0.zip > inflating: gdata/COPYING > inflating: gdata/INSTALL-samples.txt > inflating: gdata/README-samples.txt > inflating: gdata/RELEASE_NOTES.txt > inflating: gdata/java/build-samples.xml > inflating: gdata/java/version.properties > creating: gdata/java/build-samples/ > ... > inflating: gdata/java/doc/package-list > creating: gdata/java/doc/resources/ > extracting: gdata/java/doc/resources/inherit.gif > creating: gdata/java/deps/ > inflating: gdata/java/deps/google-collect-1.0-rc1.jar > inflating: gdata/java/deps/jsr305.jar > > $ > > $ pwd > /media/sda7/inst/java/jars/gdata-java-client/gdata/java > > $ ls -l > total 32 > drwxr-x--- 2 knoppix knoppix 4096 Sep 6 19:37 build-src > -rw------- 1 knoppix knoppix 3707 Sep 9 19:14 build-src.xml > drwxr-x--- 2 knoppix knoppix 4096 Sep 6 19:37 deps > drwxr-x--- 4 knoppix knoppix 4096 Sep 9 19:20 doc > drwxr-x--- 2 knoppix knoppix 4096 Sep 9 19:18 lib > drwxr-x--- 2 knoppix knoppix 4096 Sep 6 19:37 manifest > drwxr-x--- 3 knoppix knoppix 4096 Sep 9 19:14 src > -rw------- 1 knoppix knoppix 1293 Sep 9 19:14 version.properties > > $ ant build-src.xml > Unable to locate tools.jar. Expected to find it in > /UNIONFS/usr/lib/jvm/java-6-openjdk/lib/tools.jar > Buildfile: build.xml does not exist! > Build failed > > $ ant --help | grep buildfile > -buildfile <file> use given buildfile > -find <file> (s)earch for buildfile towards the root of > > $ ant -buildfile build-src.xml > Unable to locate tools.jar. Expected to find it in > /UNIONFS/usr/lib/jvm/java-6-openjdk/lib/tools.jar > Buildfile: > /media/sda7/inst/java/jars/gdata-java-client/gdata/java/build-src.xml > > dirs: > [mkdir] Created dir: > /media/sda7/inst/java/jars/gdata-java-client/gdata/java/classes > > build.manifest: > [mkdir] Created dir: > /media/sda7/inst/java/jars/gdata-java-client/gdata/java/genfiles/manifest > [copy] Copying 23 files to > /media/sda7/inst/java/jars/gdata-java-client/gdata/java/genfiles/manifest > > build.core.base: > [mkdir] Created dir: > /media/sda7/inst/java/jars/gdata-java-client/gdata/java/classes/core > [javac] > /media/sda7/inst/java/jars/gdata-java-client/gdata/java/build-src/core.xml:257: > warning: 'includeantruntime' was not set, defaulting to > build.sysclasspath=last; set to false for repeatable builds > > BUILD FAILED > /media/sda7/inst/java/jars/gdata-java-client/gdata/java/build-src/core.xml:257: > 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. > It is currently set to "/UNIONFS/usr/lib/jvm/java-6-openjdk/jre" > > Total time: 4 seconds > > $ echo $JAVA_HOME > > $ > > $ which java > /usr/bin/java > > $ ls -l `which java` > lrwxrwxrwx 1 root root 22 Aug 27 2010 /usr/bin/java -> /etc/alternatives/java > > $ ls -l /etc/alternatives/java > lrwxrwxrwx 1 root root 40 Aug 27 2010 /etc/alternatives/java -> > /usr/lib/jvm/java-6-openjdk/jre/bin/java > > $ export JAVA_HOME=/usr/lib/jvm/java-6-openjdk > > $ echo $JAVA_HOME > /usr/lib/jvm/java-6-openjdk > > $ ls -l /usr/lib/jvm/java-6-openjdk/jre/bin/java > -rwxr-xr-x 1 root root 34788 Apr 20 2011 > /usr/lib/jvm/java-6-openjdk/jre/bin/java > > $ ls -l /usr/lib/jvm/java-6-openjdk/jre/bin > total 503 > -rwxr-xr-x 1 root root 34788 Apr 20 2011 java > -rwxr-xr-x 1 root root 148 Apr 20 2011 javaws > -rwxr-xr-x 1 root root 35520 Apr 20 2011 javaws.real > -rwxr-xr-x 1 root root 34880 Apr 20 2011 keytool > -rwxr-xr-x 1 root root 34936 Apr 20 2011 orbd > -rwxr-xr-x 1 root root 34812 Apr 20 2011 pack200 > -rwxr-xr-x 1 root root 35016 Apr 20 2011 pluginappletviewer > -rwxr-xr-x 1 root root 35216 Apr 20 2011 policytool > -rwxr-xr-x 1 root root 34880 Apr 20 2011 rmid > -rwxr-xr-x 1 root root 34888 Apr 20 2011 rmiregistry > -rwxr-xr-x 1 root root 34900 Apr 20 2011 servertool > -rwxr-xr-x 1 root root 34968 Apr 20 2011 tnameserv > -rwxr-xr-x 1 root root 126124 Apr 20 2011 unpack200 > > $ ls -l /usr/lib/jvm/java-6-openjdk/jre > total 139 > -rw-r--r-- 1 root root 1503 Apr 19 2011 ASSEMBLY_EXCEPTION > -rw-r--r-- 1 root root 127498 Apr 19 2011 THIRD_PARTY_README > drwxr-xr-x 2 root root 2048 Jun 17 09:41 bin > drwxr-xr-x 9 root root 8192 Jun 17 09:41 lib > drwxr-xr-x 4 root root 2048 Aug 27 2010 man > > $ ls -l /usr/lib/jvm/java-6-openjdk > total 8 > drwxr-xr-x 2 root root 4096 Jul 8 02:05 bin > lrwxrwxrwx 1 root root 41 Aug 27 2010 docs -> > ../../../share/doc/openjdk-6-jre-headless > drwxr-xr-x 5 root root 2048 Jun 17 09:41 jre > drwxr-xr-x 4 root root 2048 Aug 27 2010 man > > $ ls -l /usr/lib/jvm > total 2 > lrwxrwxrwx 1 root root 14 Aug 27 2010 default-java -> java-6-openjdk > lrwxrwxrwx 1 root root 14 Aug 27 2010 java-1.6.0-openjdk -> java-6-openjdk > drwxr-xr-x 5 root root 2048 Jul 8 02:05 java-6-openjdk > > > $ ls -l ls -l /usr/lib/jvm/java-6-openjdk/jre/lib > ls: cannot access ls: No such file or directory > /usr/lib/jvm/java-6-openjdk/jre/lib: > total 66304 > -rw-r--r-- 1 root root 17784 Apr 19 2011 about.jar > -rw-r--r-- 1 root root 607 Apr 19 2011 about.jnlp > lrwxrwxrwx 1 root root 44 Jun 17 09:41 accessibility.properties > -> /etc/java-6-openjdk/accessibility.properties > lrwxrwxrwx 1 root root 40 Jun 17 09:41 calendars.properties -> > /etc/java-6-openjdk/calendars.properties > -rw-r--r-- 1 root root 3534509 Apr 19 2011 charsets.jar > -rw-r--r-- 1 root root 78219 Apr 19 2011 classlist > drwxr-xr-x 2 root root 2048 Jun 17 09:41 cmm > -rw-r--r-- 1 root root 1497 Apr 19 2011 compilefontconfig.jar > lrwxrwxrwx 1 root root 44 Jun 17 09:41 content-types.properties > -> /etc/java-6-openjdk/content-types.properties > -rw-r--r-- 1 root root 4049 Apr 19 2011 currency.data > drwxr-xr-x 2 root root 2048 Jun 17 09:41 ext > lrwxrwxrwx 1 root root 40 Jun 17 09:41 flavormap.properties -> > /etc/java-6-openjdk/flavormap.properties > lrwxrwxrwx 1 root root 34 Jun 17 09:41 fontconfig.bfc -> > /etc/java-6-openjdk/fontconfig.bfc > lrwxrwxrwx 1 root root 41 Jun 17 09:41 fontconfig.properties -> > /etc/java-6-openjdk/fontconfig.properties > drwxr-xr-x 9 root root 6144 Aug 1 04:45 i386 > drwxr-xr-x 2 root root 2048 Jun 17 09:41 im > drwxr-xr-x 3 root root 2048 Aug 27 2010 images > -rw-r--r-- 1 root root 62 Apr 20 2011 jar.binfmt > -rw-r--r-- 1 root root 44385 Apr 19 2011 javazic.jar > -rw-r--r-- 1 root root 85243 Apr 19 2011 jce.jar > -rwxr-xr-x 1 root root 4940 Apr 20 2011 jexec > -rw-r--r-- 1 root root 521610 Apr 19 2011 jsse.jar > -rw-r--r-- 1 root root 4224 Apr 19 2011 jvm.hprof.txt > lrwxrwxrwx 1 root root 38 Jun 17 09:41 logging.properties -> > /etc/java-6-openjdk/logging.properties > drwxr-xr-x 2 root root 2048 Jun 17 09:41 management > -rw-r--r-- 1 root root 385 Apr 19 2011 management-agent.jar > -rw-r--r-- 1 root root 2216 Apr 19 2011 meta-index > lrwxrwxrwx 1 root root 34 Jun 17 09:41 net.properties -> > /etc/java-6-openjdk/net.properties > lrwxrwxrwx 1 root root 40 Jun 17 09:41 psfont.properties.ja -> > /etc/java-6-openjdk/psfont.properties.ja > lrwxrwxrwx 1 root root 40 Jun 17 09:41 psfontj2d.properties -> > /etc/java-6-openjdk/psfontj2d.properties > -rw-r--r-- 1 root root 1083793 Apr 19 2011 resources.jar > -rw-r--r-- 1 root root 901842 Apr 19 2011 rhino.jar > -rw-r--r-- 1 root root 61587347 Apr 19 2011 rt.jar > drwxr-xr-x 2 root root 2048 Jun 17 09:41 security > lrwxrwxrwx 1 root root 36 Jun 17 09:41 sound.properties -> > /etc/java-6-openjdk/sound.properties > lrwxrwxrwx 1 root root 36 Jun 17 09:41 swing.properties -> > /etc/java-6-openjdk/swing.properties > -rw-r--r-- 1 root root 35 Apr 19 2011 tz.properties > lrwxrwxrwx 1 root root 27 Nov 1 2010 zi -> ../../../../../share/javazi > > $ sudo find /usr/lib -type f -name tools.jar > > $ sudo find /etc -type f -name tools.jar > > $ sudo find / -type f -name tools.jar > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@ant.apache.org > For additional commands, e-mail: user-h...@ant.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@ant.apache.org For additional commands, e-mail: user-h...@ant.apache.org
