title: CoberturaInstrumenter - Unable to instrument file?
body: <p>My project is using <code>Java 1.8</code> and <code>maven 3.2.1</code> </p>
  
  <p>I am using <code>Corbetura</code> plugin as  </p>
  
  <pre><code>    &lt;plugin&gt;
          &lt;groupId&gt;org.codehaus.mojo&lt;/groupId&gt;
          &lt;artifactId&gt;cobertura-maven-plugin&lt;/artifactId&gt;
          &lt;version&gt;2.6&lt;/version&gt;
          &lt;configuration&gt;
              &lt;format&gt;xml&lt;/format&gt;
              &lt;maxmem&gt;256m&lt;/maxmem&gt;
              &lt;aggregate&gt;true&lt;/aggregate&gt;
              &lt;outputDirectory&gt;shippable/codecoverage&lt;/outputDirectory&gt;
          &lt;/configuration&gt;
      &lt;/plugin&gt;
      &lt;plugin&gt;
          &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
          &lt;artifactId&gt;maven-surefire-plugin&lt;/artifactId&gt;
          &lt;version&gt;2.17&lt;/version&gt;
          &lt;dependencies&gt;
              &lt;dependency&gt;
                  &lt;groupId&gt;org.apache.maven.surefire&lt;/groupId&gt;
                  &lt;artifactId&gt;surefire-junit4&lt;/artifactId&gt;
                  &lt;version&gt;2.17&lt;/version&gt;
              &lt;/dependency&gt;
          &lt;/dependencies&gt;
          &lt;configuration&gt;
              &lt;redirectTestOutputToFile&gt;true&lt;/redirectTestOutputToFile&gt;
              &lt;reportsDirectory&gt;shippable/testresults&lt;/reportsDirectory&gt;
          &lt;/configuration&gt;
      &lt;/plugin&gt;
  </code></pre>
  
  <p>and then I do  </p>
  
  <pre><code> mvn clean cobertura:cobertura  
  </code></pre>
  
  <p>and I see following  </p>
  
  <pre><code>[WARNING] 
  [WARNING] Some problems were encountered while building the effective settings
  [WARNING] 'usePluginRegistry' is deprecated and has no effect. @ /Users/harith/.m2/settings.xml
  [WARNING] 
  [INFO] Scanning for projects...
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Build Order:
  [INFO] 
  [INFO] Oauth: Assembling Modules
  [INFO] OAuth: Persistence
  [INFO] OAuth: Business
  [INFO] OAuth: REST
  [INFO] OAuth: Integration Tests
  [INFO] 
  [INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
  [INFO]                                                                         
  [INFO] ------------------------------------------------------------------------
  [INFO] Building Oauth: Assembling Modules 1.0-SNAPSHOT
  [INFO] ------------------------------------------------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ oauth ---
  [INFO] Deleting /Users/harith/code/IdeaProjects/others/oauth/target
  [INFO] 
  [INFO] &gt;&gt;&gt; cobertura-maven-plugin:2.6:cobertura (default-cli) @ oauth &gt;&gt;&gt;
  [INFO] 
  [INFO] --- cobertura-maven-plugin:2.6:instrument (default-cli) @ oauth ---
  [INFO] Skipping cobertura mojo for project with packaging type 'pom'
  [INFO] 
  [INFO] &lt;&lt;&lt; cobertura-maven-plugin:2.6:cobertura (default-cli) @ oauth &lt;&lt;&lt;
  [INFO] 
  [INFO] --- cobertura-maven-plugin:2.6:cobertura (default-cli) @ oauth ---
  [INFO]                                                                         
  [INFO] ------------------------------------------------------------------------
  [INFO] Building OAuth: Persistence 1.0-SNAPSHOT
  [INFO] ------------------------------------------------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ persistence ---
  [INFO] Deleting /Users/harith/code/IdeaProjects/others/oauth/persistence/target
  [INFO] 
  [INFO] &gt;&gt;&gt; cobertura-maven-plugin:2.6:cobertura (default-cli) @ persistence &gt;&gt;&gt;
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ persistence ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 1 resource
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ persistence ---
  [INFO] Changes detected - recompiling the module!
  [INFO] Compiling 4 source files to /Users/harith/code/IdeaProjects/others/oauth/persistence/target/classes
  [INFO] 
  [INFO] --- cobertura-maven-plugin:2.6:instrument (default-cli) @ persistence ---
  [INFO] Cobertura 2.0.3 - GNU GPL License (NO WARRANTY) - See COPYRIGHT file
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/persistence/target/generated-classes/cobertura/com/self/oauth/persistence/entities/services/OauthEntityManager.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/persistence/target/generated-classes/cobertura/com/self/oauth/persistence/entities/services/OauthEntityManagerProducer.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/persistence/target/generated-classes/cobertura/com/self/oauth/persistence/entities/User.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/persistence/target/generated-classes/cobertura/com/self/oauth/persistence/entities/UserService.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  
  [ERROR] Aug 13, 2014 11:21:26 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler saveCoverageData
  INFO: Cobertura: Saved information on 0 classes.
  
  [INFO] Instrumentation was successful.
  [INFO] NOT adding cobertura ser file to attached artifacts list.
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ persistence ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 1 resource
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ persistence ---
  [INFO] Changes detected - recompiling the module!
  [INFO] Compiling 1 source file to /Users/harith/code/IdeaProjects/others/oauth/persistence/target/test-classes
  [INFO] 
  [INFO] --- maven-surefire-plugin:2.17:test (default-test) @ persistence ---
  [INFO] Surefire report directory: /Users/harith/code/IdeaProjects/others/oauth/persistence/shippable/testresults
  [INFO] Using configured provider org.apache.maven.surefire.junit4.JUnit4Provider
  
  -------------------------------------------------------
   T E S T S
  -------------------------------------------------------
  Running com.self.oauth.persistence.entities.UserServiceTest
  Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.404 sec - in com.self.oauth.persistence.entities.UserServiceTest
  
  Results :
  
  Tests run: 3, Failures: 0, Errors: 0, Skipped: 0
  
  [INFO] 
  [INFO] &lt;&lt;&lt; cobertura-maven-plugin:2.6:cobertura (default-cli) @ persistence &lt;&lt;&lt;
  [INFO] 
  [INFO] --- cobertura-maven-plugin:2.6:cobertura (default-cli) @ persistence ---
  [INFO] Cobertura 2.0.3 - GNU GPL License (NO WARRANTY) - See COPYRIGHT file
  Report time: 40ms
  
  [ERROR] Aug 13, 2014 11:21:28 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler loadCoverageData
  INFO: Cobertura: Loaded information on 0 classes.
  
  [INFO] Cobertura Report generation was successful.
  [INFO]                                                                         
  [INFO] ------------------------------------------------------------------------
  [INFO] Building OAuth: Business 1.0-SNAPSHOT
  [INFO] ------------------------------------------------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ business ---
  [INFO] Deleting /Users/harith/code/IdeaProjects/others/oauth/business/target
  [INFO] 
  [INFO] &gt;&gt;&gt; cobertura-maven-plugin:2.6:cobertura (default-cli) @ business &gt;&gt;&gt;
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ business ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] skip non existing resourceDirectory /Users/harith/code/IdeaProjects/others/oauth/business/src/main/resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ business ---
  [INFO] Changes detected - recompiling the module!
  [INFO] Compiling 4 source files to /Users/harith/code/IdeaProjects/others/oauth/business/target/classes
  [INFO] 
  [INFO] --- cobertura-maven-plugin:2.6:instrument (default-cli) @ business ---
  [INFO] Cobertura 2.0.3 - GNU GPL License (NO WARRANTY) - See COPYRIGHT file
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/business/target/generated-classes/cobertura/com/self/oauth/business/oauth/ClientRegistrationManager.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/business/target/generated-classes/cobertura/com/self/oauth/business/oauth/TokenManager.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/business/target/generated-classes/cobertura/com/self/oauth/business/oauth/UniqueIdGenerator.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  [cobertura] WARN  [main] net.sourceforge.cobertura.instrument.CoberturaInstrumenter - Unable to instrument file /Users/harith/code/IdeaProjects/others/oauth/business/target/generated-classes/cobertura/com/self/oauth/business/outbound/ClientDetail.class
  java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:147)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.instrumentClass(CoberturaInstrumenter.java:121)
      at net.sourceforge.cobertura.instrument.CoberturaInstrumenter.addInstrumentationToSingleClass(CoberturaInstrumenter.java:234)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentationToSingleClass(Main.java:298)
      at net.sourceforge.cobertura.instrument.Main.addInstrumentation(Main.java:307)
      at net.sourceforge.cobertura.instrument.Main.parseArguments(Main.java:399)
      at net.sourceforge.cobertura.instrument.Main.main(Main.java:421)
  
  [ERROR] Aug 13, 2014 11:21:29 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler saveCoverageData
  INFO: Cobertura: Saved information on 0 classes.
  
  [INFO] Instrumentation was successful.
  [INFO] NOT adding cobertura ser file to attached artifacts list.
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ business ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 0 resource
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ business ---
  [INFO] Changes detected - recompiling the module!
  [INFO] Compiling 3 source files to /Users/harith/code/IdeaProjects/others/oauth/business/target/test-classes
  [INFO] 
  [INFO] --- maven-surefire-plugin:2.17:test (default-test) @ business ---
  [INFO] Surefire report directory: /Users/harith/code/IdeaProjects/others/oauth/business/shippable/testresults
  [INFO] Using configured provider org.apache.maven.surefire.junit4.JUnit4Provider
  
  -------------------------------------------------------
   T E S T S
  -------------------------------------------------------
  Running com.self.oauth.business.oauth.ClientRegistrationManagerTest
  Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.608 sec - in com.self.oauth.business.oauth.ClientRegistrationManagerTest
  Running com.self.oauth.business.oauth.TokenManagerTest
  Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.15 sec - in com.self.oauth.business.oauth.TokenManagerTest
  Running com.self.oauth.business.oauth.UniqueIdGeneratorTest
  Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec - in com.self.oauth.business.oauth.UniqueIdGeneratorTest
  
  Results :
  
  Tests run: 8, Failures: 0, Errors: 0, Skipped: 0
  
  [INFO]                                                                         
  [INFO] ------------------------------------------------------------------------
  [INFO] Building OAuth: Integration Tests 1.0-SNAPSHOT
  [INFO] ------------------------------------------------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ integration ---
  [INFO] Deleting /Users/harith/code/IdeaProjects/others/oauth/integration/target
  [INFO] 
  [INFO] &gt;&gt;&gt; cobertura-maven-plugin:2.6:cobertura (default-cli) @ integration &gt;&gt;&gt;
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ integration ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 0 resource
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ integration ---
  [INFO] Nothing to compile - all classes are up to date
  [INFO] 
  [INFO] --- sql-maven-plugin:1.5:execute (default) @ integration ---
  [INFO] Executing commands
  [INFO] 1 of 1 SQL statements executed successfully
  [INFO] 
  [INFO] --- cobertura-maven-plugin:2.6:instrument (default-cli) @ integration ---
  [WARNING] No files to instrument.
  [INFO] NOT adding cobertura ser file to attached artifacts list.
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ integration ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] skip non existing resourceDirectory /Users/harith/code/IdeaProjects/others/oauth/integration/src/test/resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ integration ---
  [INFO] Changes detected - recompiling the module!
  [INFO] Compiling 4 source files to /Users/harith/code/IdeaProjects/others/oauth/integration/target/test-classes
  [INFO] 
  [INFO] --- maven-surefire-plugin:2.17:test (default-test) @ integration ---
  [INFO] Surefire report directory: /Users/harith/code/IdeaProjects/others/oauth/integration/shippable/testresults
  [INFO] Using configured provider org.apache.maven.surefire.junit4.JUnit4Provider
  
  -------------------------------------------------------
   T E S T S
  -------------------------------------------------------
  
  Results :
  
  Tests run: 0, Failures: 0, Errors: 0, Skipped: 0
  
  [INFO] 
  [INFO] &lt;&lt;&lt; cobertura-maven-plugin:2.6:cobertura (default-cli) @ integration &lt;&lt;&lt;
  [INFO] 
  [INFO] --- cobertura-maven-plugin:2.6:cobertura (default-cli) @ integration ---
  [INFO] Executing aggregate cobertura:report for Oauth: Assembling Modules
  Aug 13, 2014 11:21:33 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler loadCoverageData
  INFO: Cobertura: Loaded information on 0 classes.
  Aug 13, 2014 11:21:33 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler loadCoverageData
  INFO: Cobertura: Loaded information on 0 classes.
  Aug 13, 2014 11:21:33 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler loadCoverageData
  INFO: Cobertura: Loaded information on 0 classes.
  [INFO] Saving aggregate cobertura information in /Users/harith/code/IdeaProjects/others/oauth/target/cobertura/cobertura.ser
  Aug 13, 2014 11:21:33 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler saveCoverageData
  INFO: Cobertura: Saved information on 0 classes.
  [INFO] Cobertura 2.0.3 - GNU GPL License (NO WARRANTY) - See COPYRIGHT file
  Report time: 42ms
  
  [ERROR] Aug 13, 2014 11:21:33 AM net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler loadCoverageData
  INFO: Cobertura: Loaded information on 0 classes.
  
  [INFO] Cobertura Report generation was successful.
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Summary:
  [INFO] 
  [INFO] Oauth: Assembling Modules ......................... SUCCESS [  0.597 s]
  [INFO] OAuth: Persistence ................................ SUCCESS [  3.532 s]
  [INFO] OAuth: Business ................................... SUCCESS [  2.784 s]
  [INFO] OAuth: REST ....................................... SUCCESS [  0.694 s]
  [INFO] OAuth: Integration Tests .......................... SUCCESS [  0.976 s]
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD SUCCESS
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 8.784 s
  [INFO] Finished at: 2014-08-13T11:21:33-08:00
  [INFO] Final Memory: 28M/101M
  [INFO] --------------------------------------------------------  
  </code></pre>
  
  <p>at the end it says  </p>
  
  <pre><code>Cobertura: Loaded information on 0 classes.
  </code></pre>
  
  <p>Whats wrong here?</p>