java.lang.IllegalArgumentException

tip

This error is caused by malformed HTTP request. You are trying to access unsecured page through https.


rp
tip

Some bots are sending malformed HTTP requests to your site. Try to find their IP addresses in the access logs and ask them to fix the bots or blacklist them.


rp

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

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    • java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:462)[tomcat-embed-core-8.5.4.jar!/:8.5.4] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:994)[tomcat-embed-core-8.5.4.jar!/:8.5.4] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)[tomcat-embed-core-8.5.4.jar!/:8.5.4] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)[tomcat-embed-core-8.5.4.jar!/:8.5.4] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)[tomcat-embed-core-8.5.4.jar!/:8.5.4] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)[tomcat-embed-core-8.5.4.jar!/:8.5.4] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[na:1.8.0_72] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[na:1.8.0_72] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)[tomcat-embed-core-8.5.4.jar!/:8.5.4] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_72]

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