Why do you depend on the context classloader inside that? Op 1 dec. 2017 04:41 schreef "Xueheng Wu" <x...@thoughtworks.com>:
> Johan, thanks a lot. > > This way could be a huge project, because parallelStream is used > everywhere. > Maybe we got wrong usage from the beginning. > > > > On 30 Nov 2017, at 19:23, Johan Compagner <jcompag...@servoy.com> wrote: > > > > I think tomcat has nothing todo with this. > > > > This is the Threadpool that parallelStream() uses. So this is a problem > of the streaming api of java > > The threadpool needs to set the context classloader on its created > threads.. > > So you need to use i think your own ThreadPool, i think that is doable: > > > > https://stackoverflow.com/questions/21163108/custom- > thread-pool-in-java-8-parallel-stream/22269778#22269778 < > https://stackoverflow.com/questions/21163108/custom-thread-pool-in-java-8- > parallel-stream/22269778#22269778> > > > > On 30 November 2017 at 03:31, Xueheng Wu <x...@thoughtworks.com <mailto: > x...@thoughtworks.com>> wrote: > > Hi, > > I met a strange error these days, and need help. > > > > Our application is running on Tomcat 8.5.11 (windows 10 64bit）with > JRE 1.8.0_121. > > > > In the application, we use parallelStream to do some logic, like > this: > > > > > > There are many steps in the logic, and some of them use togglz, > then we got error. > > > > After checking togglz’s code, I found that it calls > “Thread.currentThread().getContextClassLoader()” every times calling > togglz. > > > > > > Then I print out context class loader when calling togglz, like > this: > > > > > > And I find a strange thing. Only execute thread has context class > loader, worker thread created by parallelStream got null for class loader. > > > > > > > > But when it start as an springboot application, all threads has > context class loader: > > > > > > > > So please tell me why class loader got null and how to avoid it. > > > > Best regards. > > > > > > > > -- > > Johan Compagner > > Servoy > >
