Unable to locate package java.lang in classpath or bootclasspath

[Mannu]

I am new to Eclipse. I tried to build a project but I got the
following error. I assume that it is environment issue. Any help would
be apprecitated.

Buildfile: E:\Eclipse\WorkSpace\HelloWorld\build.xml
cleanup:
[delete] Deleted 2 directories from E:\Eclipse\WorkSpace\HelloWorld
\classes.ant
clean:
precompile:
init:
[mkdir] Created dir: E:\Eclipse\WorkSpace\HelloWorld\classes.ant
[mkdir] Created dir: E:\Eclipse\WorkSpace\HelloWorld\classes.ant
\Temporary_Files
javacompile:
[javac] Compiling 2 source files to E:\Eclipse\WorkSpace\HelloWorld
\classes.ant
[javac] Fatal Error: Unable to locate package java.lang in
classpath or bootclasspath

BUILD FAILED
E:\Eclipse\WorkSpace\HelloWorld\build.xml:68: Compile failed; see the
compiler error output for details.

Total time: 3 seconds

 

[Robert Klemme]

I am new to Eclipse. I tried to build a project but I got the
following error. I assume that it is environment issue. Any help would
be apprecitated.

Buildfile: E:\Eclipse\WorkSpace\HelloWorld\build.xml
cleanup:
[delete] Deleted 2 directories from E:\Eclipse\WorkSpace\HelloWorld
\classes.ant
clean:
precompile:
init:
[mkdir] Created dir: E:\Eclipse\WorkSpace\HelloWorld\classes.ant
[mkdir] Created dir: E:\Eclipse\WorkSpace\HelloWorld\classes.ant
\Temporary_Files
javacompile:
[javac] Compiling 2 source files to E:\Eclipse\WorkSpace\HelloWorld
\classes.ant
[javac] Fatal Error: Unable to locate package java.lang in
classpath or bootclasspath

BUILD FAILED
E:\Eclipse\WorkSpace\HelloWorld\build.xml:68: Compile failed; see the
compiler error output for details.

Total time: 3 seconds

You probably have disabled the root / default class path in your ant script.

robert