#vulnerable code 
                                public void execute() throws MojoExecutionException, MojoFailureException {
        logGroovyVersion("execute");

        try {
            // get classes we need with reflection
            Class<?> groovyShellClass = Class.forName("groovy.lang.GroovyShell");

            // create a GroovyShell to run scripts in
            Object shell = ReflectionUtils.invokeConstructor(ReflectionUtils.findConstructor(groovyShellClass));

            // TODO: load runtime project dependencies onto classpath before executing so they can be used in scripts?

            // run the scripts
            int scriptNum = 1;
            for (String script : scripts) {
                Closer closer = Closer.create();
                try {
                    try {
                        URL url = new URL(script);
                        // it's a URL to a script
                        getLog().info("Fetching Groovy script from " + url.toString() + ".");
                        BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()));
                        StringBuilder scriptSource = new StringBuilder();
                        String line;
                        while ((line = reader.readLine()) != null) {
                            scriptSource.append(line).append("\n");
                        }
                        if (!scriptSource.toString().isEmpty()) {
                            ReflectionUtils.invokeMethod(ReflectionUtils.findMethod(groovyShellClass, "evaluate", String.class), shell, scriptSource.toString());
                        }
                    } catch (MalformedURLException e) {
                        // it's not a URL to a script, treat as a script body
                        ReflectionUtils.invokeMethod(ReflectionUtils.findMethod(groovyShellClass, "evaluate", String.class), shell, script);
                    } catch (Throwable throwable) {
                        throw closer.rethrow(throwable);
                    } finally {
                        closer.close();
                    }
                } catch (IOException ioe) {
                    if (continueExecuting) {
                        getLog().error("An Exception occurred while executing script " + scriptNum + ".  Continuing to execute remaining scripts.", ioe);
                    } else {
                        throw new MojoExecutionException("An Exception occurred while executing script " + scriptNum + ".", ioe);
                    }
                }
                scriptNum++;
            }
        } catch (ClassNotFoundException e) {
            throw new MojoExecutionException("Unable to get a Groovy class from classpath.  Do you have Groovy as a compile dependency in your project?", e);
        } catch (InvocationTargetException e) {
            throw new MojoExecutionException("Error occurred while calling a method on a Groovy class from classpath.", e);
        } catch (InstantiationException e) {
            throw new MojoExecutionException("Error occurred while instantiating a Groovy class from classpath.", e);
        } catch (IllegalAccessException e) {
            throw new MojoExecutionException("Unable to access a method on a Groovy class from classpath.", e);
        }
    } 
                            #location 31 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                public void execute() throws MojoExecutionException, MojoFailureException {
        logGroovyVersion("execute");

        try {
            // get classes we need with reflection
            Class<?> groovyShellClass = Class.forName("groovy.lang.GroovyShell");

            // create a GroovyShell to run scripts in
            Object shell = ReflectionUtils.invokeConstructor(ReflectionUtils.findConstructor(groovyShellClass));

            // TODO: load runtime project dependencies onto classpath before executing so they can be used in scripts?

            // run the scripts
            int scriptNum = 1;
            for (String script : scripts) {
                Closer closer = Closer.create();
                try {
                    try {
                        URL url = new URL(script);
                        // it's a URL to a script
                        getLog().info("Fetching Groovy script from " + url.toString() + ".");
                        BufferedReader reader = closer.register(new BufferedReader(new InputStreamReader(url.openStream())));
                        StringBuilder scriptSource = new StringBuilder();
                        String line;
                        while ((line = reader.readLine()) != null) {
                            scriptSource.append(line).append("\n");
                        }
                        if (!scriptSource.toString().isEmpty()) {
                            ReflectionUtils.invokeMethod(ReflectionUtils.findMethod(groovyShellClass, "evaluate", String.class), shell, scriptSource.toString());
                        }
                    } catch (MalformedURLException e) {
                        // it's not a URL to a script, treat as a script body
                        ReflectionUtils.invokeMethod(ReflectionUtils.findMethod(groovyShellClass, "evaluate", String.class), shell, script);
                    } catch (Throwable throwable) {
                        throw closer.rethrow(throwable);
                    } finally {
                        closer.close();
                    }
                } catch (IOException ioe) {
                    if (continueExecuting) {
                        getLog().error("An Exception occurred while executing script " + scriptNum + ".  Continuing to execute remaining scripts.", ioe);
                    } else {
                        throw new MojoExecutionException("An Exception occurred while executing script " + scriptNum + ".", ioe);
                    }
                }
                scriptNum++;
            }
        } catch (ClassNotFoundException e) {
            throw new MojoExecutionException("Unable to get a Groovy class from classpath.  Do you have Groovy as a compile dependency in your project?", e);
        } catch (InvocationTargetException e) {
            throw new MojoExecutionException("Error occurred while calling a method on a Groovy class from classpath.", e);
        } catch (InstantiationException e) {
            throw new MojoExecutionException("Error occurred while instantiating a Groovy class from classpath.", e);
        } catch (IllegalAccessException e) {
            throw new MojoExecutionException("Unable to access a method on a Groovy class from classpath.", e);
        }
    }