Fixes a bug where errors remain in the buffer without being captured

Author: rfscholte

plexus-compilers/plexus-compiler-javac/src/main/java/org/codehaus/plexus/compiler/javac/JavacCompiler.java

@@ -690,6 +690,11 @@ else if ( bufferAsString.startsWith("Error occurred during initialization of boo
                     {
                         errors.add( new CompilerMessage( bufferAsString, CompilerMessage.Kind.OTHER ) );
                     }
+                    else if ( hasPointer )
+                    {
+                        //A compiler message remains in buffer at end of parse stream
+                        errors.add( parseModernError( exitCode, bufferAsString ) );
+                    }
                 }
                 return errors;
             }

plexus-compilers/plexus-compiler-javac/src/test/java/org/codehaus/plexus/compiler/javac/ErrorMessageParserTest.java

@@ -906,6 +906,59 @@ public void testJvmError() throws Exception
         assertEquals( 1, compilerErrors.size() );
     }
 
+    public void testBadSourceFileError() throws Exception
+    {
+        String out = "/MTOOLCHAINS-19/src/main/java/ch/pecunifex/x/Cls1.java:12: error: cannot access Cls2\n" +
+                "    Cls2 tvar;\n" +
+                "    ^\n" +
+                "  bad source file: /MTOOLCHAINS-19/src/main/java/ch/pecunifex/x/Cls2.java\n" +
+                "    file does not contain class ch.pecunifex.x.Cls2\n" +
+                "    Please remove or make sure it appears in the correct subdirectory of the sourcepath.";
+
+        List<CompilerMessage> compilerErrors = JavacCompiler.parseModernStream( 1, new BufferedReader( new StringReader( out ) ));
+
+        assertNotNull( compilerErrors );
+
+        assertEquals( 1, compilerErrors.size() );
+
+        final CompilerMessage message = compilerErrors.get( 0 );
+        validateBadSourceFile(message);
+    }
+
+    public void testWarningFollowedByBadSourceFileError() throws Exception
+    {
+        String out = "/MTOOLCHAINS-19/src/main/java/ch/pecunifex/x/Cls1.java:3: warning: FontDesignMetrics is internal proprietary API and may be removed in a future release\n" +
+                "import sun.font.FontDesignMetrics;\n" +
+                "               ^\n" +
+                "/MTOOLCHAINS-19/src/main/java/ch/pecunifex/x/Cls1.java:12: error: cannot access Cls2\n" +
+                "    Cls2 tvar;\n" +
+                "    ^\n" +
+                "  bad source file: /MTOOLCHAINS-19/src/main/java/ch/pecunifex/x/Cls2.java\n" +
+                "    file does not contain class ch.pecunifex.x.Cls2\n" +
+                "    Please remove or make sure it appears in the correct subdirectory of the sourcepath.";
+
+        List<CompilerMessage> compilerErrors = JavacCompiler.parseModernStream( 1, new BufferedReader( new StringReader( out ) ));
+
+        assertNotNull( compilerErrors );
+
+        assertEquals( 2, compilerErrors.size() );
+
+        final CompilerMessage firstMessage = compilerErrors.get( 0 );
+        assertEquals( "Is a Warning", CompilerMessage.Kind.WARNING, firstMessage.getKind() );
+        assertEquals( "On Correct File","/MTOOLCHAINS-19/src/main/java/ch/pecunifex/x/Cls1.java", firstMessage.getFile() );
+        assertEquals( "Internal API Warning", "FontDesignMetrics is internal proprietary API and may be removed in a future release", firstMessage.getMessage() );
+
+        final CompilerMessage secondMessage = compilerErrors.get( 1 );
+        validateBadSourceFile(secondMessage);
+    }
+
+    private void validateBadSourceFile(CompilerMessage message)
+    {
+        assertEquals( "Is an Error", CompilerMessage.Kind.ERROR, message.getKind() );
+        assertEquals( "On Correct File","/MTOOLCHAINS-19/src/main/java/ch/pecunifex/x/Cls1.java", message.getFile() );
+        assertTrue( "Message starts with access Error", message.getMessage().startsWith("error: cannot access Cls2") );
+    }
+
     private static void assertEquivalent(CompilerMessage expected, CompilerMessage actual){
         assertEquals("Message did not match", expected.getMessage(), actual.getMessage());
         assertEquals("Kind did not match", expected.getKind(), actual.getKind());