com.puppycrawl.tools.checkstyle.api.CheckstyleException: No se ha podido crear una instancia 'DoubleCheckedLockingCheck' de clase, sino que también no es posible crear una instancia como com.puppycrawl.tools.checkstyle.checks.annotation.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.blocks.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.coding.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.design.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.header.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.imports.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.indentation.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.javadoc.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.metrics.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.modifier.DoubleCheckedLockingCheck, com.puppycrawl.tools.checkstyle.checks.naming.DoubleCheckedLockingCheck, com.puppycrawl.tools
   at com.puppycrawl.tools.checkstyle.PackageObjectFactory.doMakeObject(PackageObjectFactory.java:115)
Caused: com.puppycrawl.tools.checkstyle.api.CheckstyleException: No se ha podido crear una instancia 'DoubleCheckedLocking' de clase, sino que también no es posible crear una instancia como com.puppycrawl.tools.checkstyle.checks.annotation.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.blocks.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.coding.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.design.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.header.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.imports.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.indentation.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.javadoc.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.metrics.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.modifier.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.naming.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.regexp.DoubleCheckedLocking, com.puppycra
   at com.puppycrawl.tools.checkstyle.PackageObjectFactory.createModule(PackageObjectFactory.java:163)
   at com.puppycrawl.tools.checkstyle.TreeWalker.setupChild(TreeWalker.java:170)
   at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(AutomaticBean.java:137)
Caused: com.puppycrawl.tools.checkstyle.api.CheckstyleException: cannot initialize module TreeWalker - No se ha podido crear una instancia 'DoubleCheckedLocking' de clase, sino que también no es posible crear una instancia como com.puppycrawl.tools.checkstyle.checks.annotation.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.blocks.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.coding.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.design.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.header.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.imports.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.indentation.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.javadoc.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.metrics.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.modifier.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.naming.DoubleCheckedLocking, com.puppycrawl.tools.checkstyle.checks.reg
   at com.puppycrawl.tools.checkstyle.Checker.setupChild(Checker.java:168)
   at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(AutomaticBean.java:137)
   at org.nbheaven.sqe.tools.checkstyle.codedefects.core.internal.CheckstyleScannerJob.init(CheckstyleScannerJob.java:132)
   at org.nbheaven.sqe.tools.checkstyle.codedefects.core.internal.CheckstyleScannerJob.scan(CheckstyleScannerJob.java:151)
   at org.nbheaven.sqe.codedefects.core.spi.SQECodedefectScanner$Job.run(SQECodedefectScanner.java:54)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)