Java not finding libraries in CLASSPATH
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I have a JAR file, which has many dependencies (ApacheCommons stuff mostly). When I put all those JAR's in the same directory as my main JAR, everything works fine. But that makes a mess and it also means that people have to carry all those external libraries around whenever they move my program's JAR on their system.
So I put them all in a separate directory and added that directory's path to CLASSPATH environment variable (using /etc/environment). Now even though echo $CLASSPATH returns that path, still running my JAR without those libraries in the same directory causes java.lang.NoClassDefFoundError (which happens when it can't find external JARs needed).
Any help/ideas would be highly appreciated.
13.04 java environment-variables jre jar
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
asked Aug 11 '13 at 17:06
lfklfk
42131015
add a comment |
I have a JAR file, which has many dependencies (ApacheCommons stuff mostly). When I put all those JAR's in the same directory as my main JAR, everything works fine. But that makes a mess and it also means that people have to carry all those external libraries around whenever they move my program's JAR on their system.
So I put them all in a separate directory and added that directory's path to CLASSPATH environment variable (using /etc/environment). Now even though echo $CLASSPATH returns that path, still running my JAR without those libraries in the same directory causes java.lang.NoClassDefFoundError (which happens when it can't find external JARs needed).
Any help/ideas would be highly appreciated.
13.04 java environment-variables jre jar
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
asked Aug 11 '13 at 17:06
lfklfk
42131015
add a comment |
I have a JAR file, which has many dependencies (ApacheCommons stuff mostly). When I put all those JAR's in the same directory as my main JAR, everything works fine. But that makes a mess and it also means that people have to carry all those external libraries around whenever they move my program's JAR on their system.
So I put them all in a separate directory and added that directory's path to CLASSPATH environment variable (using /etc/environment). Now even though echo $CLASSPATH returns that path, still running my JAR without those libraries in the same directory causes java.lang.NoClassDefFoundError (which happens when it can't find external JARs needed).
Any help/ideas would be highly appreciated.
13.04 java environment-variables jre jar
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
asked Aug 11 '13 at 17:06
lfklfk
42131015
I have a JAR file, which has many dependencies (ApacheCommons stuff mostly). When I put all those JAR's in the same directory as my main JAR, everything works fine. But that makes a mess and it also means that people have to carry all those external libraries around whenever they move my program's JAR on their system.
So I put them all in a separate directory and added that directory's path to CLASSPATH environment variable (using /etc/environment). Now even though echo $CLASSPATH returns that path, still running my JAR without those libraries in the same directory causes java.lang.NoClassDefFoundError (which happens when it can't find external JARs needed).
Any help/ideas would be highly appreciated.
13.04 java environment-variables jre jar
13.04 java environment-variables jre jar
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
asked Aug 11 '13 at 17:06
lfklfk
42131015
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
asked Aug 11 '13 at 17:06
lfklfk
42131015
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
edited Aug 11 '13 at 17:38
Alaa Ali
22.7k97095
22.7k97095
asked Aug 11 '13 at 17:06
lfklfk
42131015
asked Aug 11 '13 at 17:06
lfklfk
42131015
asked Aug 11 '13 at 17:06
lfklfk
42131015
42131015
add a comment |
add a comment |
1 Answer
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This is not really a ubuntu-Problem, see this question on stackoverflow.
The CLASSPATH-Variable does not list pathes to jar-files, but pathes to Java-class-files. To include a jav-file in a classpath you have to put jar-file filename in the classpath (e.g. CLASSPATH=/path/to/some/jar/file/jarfile.jar).
edited May 23 '17 at 12:39
Community♦
1
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
add a comment |
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1 Answer
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1 Answer
1
active
oldest
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active
oldest
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active
oldest
votes
This is not really a ubuntu-Problem, see this question on stackoverflow.
The CLASSPATH-Variable does not list pathes to jar-files, but pathes to Java-class-files. To include a jav-file in a classpath you have to put jar-file filename in the classpath (e.g. CLASSPATH=/path/to/some/jar/file/jarfile.jar).
edited May 23 '17 at 12:39
Community♦
1
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
add a comment |
This is not really a ubuntu-Problem, see this question on stackoverflow.
The CLASSPATH-Variable does not list pathes to jar-files, but pathes to Java-class-files. To include a jav-file in a classpath you have to put jar-file filename in the classpath (e.g. CLASSPATH=/path/to/some/jar/file/jarfile.jar).
edited May 23 '17 at 12:39
Community♦
1
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
add a comment |
This is not really a ubuntu-Problem, see this question on stackoverflow.
The CLASSPATH-Variable does not list pathes to jar-files, but pathes to Java-class-files. To include a jav-file in a classpath you have to put jar-file filename in the classpath (e.g. CLASSPATH=/path/to/some/jar/file/jarfile.jar).
edited May 23 '17 at 12:39
Community♦
1
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
This is not really a ubuntu-Problem, see this question on stackoverflow.
The CLASSPATH-Variable does not list pathes to jar-files, but pathes to Java-class-files. To include a jav-file in a classpath you have to put jar-file filename in the classpath (e.g. CLASSPATH=/path/to/some/jar/file/jarfile.jar).
edited May 23 '17 at 12:39
Community♦
1
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
edited May 23 '17 at 12:39
Community♦
1
edited May 23 '17 at 12:39
Community♦
1
edited May 23 '17 at 12:39
Community♦
1
1
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
answered Aug 11 '13 at 17:42
ThomasThomas
1,25611025
1,25611025
add a comment |
add a comment |
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