Update Tomcat container adapters to 1.0.0.CR8 or further. If that doesn't work, "0D0A3C21" in ASCII is "
If you're using Liferay, check the steps in the last message on how to fix it: https://goo.gl/feXWKU
You have a different solution? A short tip here would help you and many other users who saw this issue last week.
- java.io.StreamCorruptedException: invalid stream header: 31393030 at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:808) at java.io.ObjectInputStream.<init>(ObjectInputStream.java:301)