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POMaven & Protobuf compile error: Cannot find symbol in package com.google.protobuf
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  1. POMaven & Protobuf compile error: Cannot find symbol in package com.google.protobuf
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    copied!<p>I'm new to Linux and Protobuf.. I need help. </p> <p>I'm trying to "mvn package" a project that contains many ".proto" files, and a pom.xml file of course...</p> <p>I'm working on Ubuntu</p> <p>=======================================</p> <h1>ERROR</h1> <p>When I run "mvn package", I receive this error:</p> <p>after </p> <pre><code>... Compiling 11 source files to .../target/classes ... </code></pre> <p>I get a bunch of these errors:</p> <pre><code>[ERROR] .../target/generated-sources/...java:[16457,30] cannot find symbol [ERROR] symbol : class Parser [ERROR] location: package com.google.protobuf [ERROR] [ERROR] .../target/generated-sources/...java:[17154,37] cannot find symbol [ERROR] symbol : class Parser [ERROR] location: package com.google.protobuf [ERROR] [ERROR] .../target/generated-sources/...java:[17165,30] cannot find symbol [ERROR] symbol : class Parser [ERROR] location: package com.google.protobuf [ERROR] [ERROR] .../target/generated-sources/...java:[17909,37] cannot find symbol [ERROR] symbol : class Parser [ERROR] location: package com.google.protobuf [ERROR] </code></pre> <p>=======================================</p> <h1>POM</h1> <p>Here is the pom.xml file, with groupId &amp; artifactId taken out:</p> <pre class="lang-xml prettyprint-override"><code>&lt;project&gt; &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt; &lt;parent&gt; &lt;groupId&gt;*****&lt;/groupId&gt; &lt;artifactId&gt;*****&lt;/artifactId&gt; &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt; &lt;/parent&gt; &lt;artifactId&gt;*****&lt;/artifactId&gt; &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt; &lt;properties&gt; &lt;proto.cas.path&gt;${project.basedir}/src&lt;/proto.cas.path&gt; &lt;target.gen.source.path&gt;${project.basedir}/target/generated-sources&lt;/target.gen.source.path&gt; &lt;/properties&gt; &lt;dependencies&gt; &lt;dependency&gt; &lt;groupId&gt;com.google.protobuf&lt;/groupId&gt; &lt;artifactId&gt;protobuf-java&lt;/artifactId&gt; &lt;version&gt;2.4.1&lt;/version&gt; &lt;scope&gt;compile&lt;/scope&gt; &lt;/dependency&gt; &lt;/dependencies&gt; &lt;build&gt; &lt;sourceDirectory&gt;${project.basedir}/src&lt;/sourceDirectory&gt; &lt;plugins&gt; &lt;plugin&gt; &lt;artifactId&gt;maven-compiler-plugin&lt;/artifactId&gt; &lt;version&gt;2.0.2&lt;/version&gt; &lt;configuration&gt; &lt;source&gt;1.6&lt;/source&gt; &lt;target&gt;1.6&lt;/target&gt; &lt;includes&gt;&lt;include&gt;**/commonapps/**&lt;/include&gt;&lt;/includes&gt; &lt;/configuration&gt; &lt;/plugin&gt; &lt;plugin&gt; &lt;artifactId&gt;maven-antrun-plugin&lt;/artifactId&gt; &lt;executions&gt; &lt;execution&gt; &lt;id&gt;generate-sources&lt;/id&gt; &lt;phase&gt;generate-sources&lt;/phase&gt; &lt;configuration&gt; &lt;tasks&gt; &lt;mkdir dir="${target.gen.source.path}" /&gt; &lt;path id="proto.path.files"&gt; &lt;fileset dir="${proto.cas.path}"&gt; &lt;include name="*.proto" /&gt; &lt;/fileset&gt; &lt;/path&gt; &lt;pathconvert pathsep=" " property="proto.files" refid="proto.path.files" /&gt; &lt;exec executable="protoc"&gt; &lt;arg value="--java_out=${target.gen.source.path}" /&gt; &lt;arg value="--proto_path=${proto.cas.path}" /&gt; &lt;arg line="${proto.files}" /&gt; &lt;/exec&gt; &lt;/tasks&gt; &lt;sourceRoot&gt;${target.gen.source.path}&lt;/sourceRoot&gt; &lt;/configuration&gt; &lt;goals&gt; &lt;goal&gt;run&lt;/goal&gt; &lt;/goals&gt; &lt;/execution&gt; &lt;/executions&gt; &lt;/plugin&gt; &lt;/plugins&gt; &lt;/build&gt; &lt;/project&gt; </code></pre> <p></p> <p>=======================================</p> <h1>PROTOBUF INSTALLATION</h1> <p>I've done</p> <pre><code>./configure make make check make install </code></pre> <p>in protobuf/,</p> <p>and </p> <pre><code>mvn test mvn install mvn package </code></pre> <p>in protobuf/java.</p> <p>I took the jar in protobuf/java/target</p> <p>and added it to my maven repo by running:</p> <pre><code>mvn install:install-file -Dpackaging=jar -DgeneratePom=true -DgroupId=com.google.protobuf -DartifactId=protobuf-java -Dfile=protobuf-java-2.4.1.jar -Dversion=2.4.1 </code></pre> <p>Note that I've messed around with $LD_LIBRARY_PATH. Currently when I run echo it, I get:</p> <pre><code>/usr/local/lib/:/usr/:/usr/lib/:/usr/local/ </code></pre> <p>yeah.... as you can tell I don't have a clue about setting $LD_LIBRARY_PATH</p> <p>I also ran:</p> <pre><code>apt-get install protobuf-compiler </code></pre> <p>=======================================</p> <h1>PROTOC INSTALLATION</h1> <p>I forgot what I did to make protoc work, but when I run</p> <pre><code>protoc --version </code></pre> <p>I get</p> <pre><code>libprotoc 2.5.0 </code></pre> <p>=======================================</p> <h1>MY QUESTION IS SIMILAR TO:</h1> <p><a href="https://stackoverflow.com/questions/8265801/problems-using-protobufs-with-java-and-scala">Problems using protobufs with java and scala</a></p> <p><a href="https://stackoverflow.com/questions/1589121/maven-compilation-failure">maven compilation failure</a></p> <p>=======================================</p> <h1>POSSIBLE RELAVENCE?</h1> <p><a href="https://stackoverflow.com/questions/12509050/still-not-find-package-after-mvn-install">still not find package, after &#39;mvn install&#39;</a></p> <p><a href="http://www.scriptol.com/programming/protocol-buffers-tutorial.php" rel="nofollow noreferrer">http://www.scriptol.com/programming/protocol-buffers-tutorial.php</a></p> <p>Can anyone help?</p> <p>=======================================</p> <h1>PROGRESS</h1> <p>Apparently it's a plugin failure:</p> <p><a href="https://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException" rel="nofollow noreferrer">https://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException</a></p> <pre><code>[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile (default-compile) on project casprotobuf: Compilation failure: Compilation failure: </code></pre>
 

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