Java Servlet runs with status code HTTP/500
49
What is a NullPointerException, and how do I fix it?
134072
What is recommended way for spawning threads from a servlet in Tomcat
44292
Tomcat7 hangs on deploying apps
60439
Accessing post variables using Java Servlets
15098
How to upload files to server using JSP/Servlet?
1185
Implementing a simple file download servlet
29714
header("location") causes [500] internal server error?
87790
How can i migrate SSL from Tomcat to Apache HTTPD?
97144
Request.UserHostAddress issue with return result "::1"
10179
Error: Servlet Jar not Loaded... Offending class: javax/servlet/Servlet.class
21472
HttpURLConnection.getResponseCode() throws IOException when code is known
8845
How to use Servlets and Ajax?
109459
Test Class for HTTP Callout failing
75940
Connection error: "org.jsoup.UnsupportedMimeTypeException: Unhandled content type"
123437
Where are the request method constants in the Servlet API?
112249
My Application Could not open ServletContext resource
80111
Are HTTP error codes user-friendly?