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我有一个Java 7项目，它每n分钟由n个进程运行一次脚本。这是运行脚本的代码示例。

ScheduledFuture scheduledFuture = scheduledService.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                try (GroovyClassLoader cl = new GroovyClassLoader()) {
                    // Load up reusable script modules in the class loader
                    Class scriptClass = cl.parseClass(scriptSource);
                    Foo script = optimizationClass.newInstance();

                    // Tell Groovy that we don't need class meta info
                    GroovySystem.getMetaClassRegistry().removeMetaClass(scriptClass);
                    script.run();
                    cl.clearCache();
                } catch (IOException e) {
                    LOGGER.error("Failed to cleanup Groovy class loader, this will cause a memory leak", e);
                }
            }
        }, 0, scheduledRun, TimeUnit.SECONDS);

        scheduledFuture.get();

由于某些原因，Groovy 2.1.7在Perm Gen中没有内存泄漏。当升级到Groovy 2.3.8或Groovy …