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Editorial Team
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Asked: 2026-05-23T01:32:29+00:00

app.yaml application: cloudymovie version: 1 runtime: java welcome_files: – test.jsp handlers: – url: /test/*

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app.yaml

application: cloudymovie
version: 1
runtime: java

welcome_files:
  - test.jsp

handlers:
  - url: /test/*
  - servlet: com.test.TestLexerServlet
  - name: testlexer

test.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Test</title>
</head>
<body>
<form action="/test/" method="get">
    <input type="submit" value="Go">
</form>
</body>
</html>

and then when i press button

HTTP ERROR 404

Problem accessing /test/. Reason:

    NOT_FOUND
Powered by Jetty://

and i take a look in the auto-generated web.xml
i found that

<servlet-mapping>
    <servlet-name>com.test.TestLexerServlet</servlet-name>
    <url-pattern>null</url-pattern>
</servlet-mapping>

url-pattern should not be null

I’m new in GAE.
Thanks for any advice.

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1 Answer

  1. Editorial Team

    /test/* will match ‘/test’, ‘/test/’, ‘/test//’, etc – probably not what you intended. Try /test/.* instead.

    The root cause of your problem, though, is that your YAML markup isn’t valid. Instead of this:

    handlers:
  - url: /test/*
  - servlet: com.test.TestLexerServlet
  - name: testlexer

    it should look like this:

    handlers:
  - url: /test/*
    servlet: com.test.TestLexerServlet
    name: testlexer
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