Recent questions tagged servlets

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servlets - request.getQueryString() seems to need some encoding

I have some problem with UTF-8. My client (realized in GWT) make a request to my servlet, with some ... set up properly the character encoding? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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759 views

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servlets - How to solve this java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream?

I am using the below code to upload a file in to tomcat5.5 and it gives me the following exception java.lang. ... the jar i use commons-fileupload-1.2.2.jar Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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681 views

1 answer

servlets - Value passed with request.setAttribute() is not available by request.getParameter()

I give a string variable a value in the normal execution of the code ,but if an exception happen I will ... addUSer Can someone help? and thanx in advance. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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861 views

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servlets - How to redirect to Login page when Session is expired in Java web application?

I'm running a web application in JBoss AS 5. I also have a servlet filter which intercepts all the requests ... -timeout>15</session-timeout> </session-config> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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728 views

1 answer

servlets - HTTP request parameters are not available by request.getAttribute()

I am sending an url parameter to servlet using the following jQuery piece: $.getJSON("http://localhost:8080 ... seeing the parameters passed from the browser. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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614 views

1 answer

servlets - @WebServlet fails in Netbeans 11.0 with java.lang.RuntimeException: com.example.NewServlet.<init>(NewServlet.java:1)

Some kind of nightmare - can not launch primitive servlet on Apache Tomcat 9.0.22 (or Glassfish 5.0.1) and Apache ... is set to 8 (also source/binary format). Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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782 views

1 answer

servlets - How to implement JAX-RS RESTful service in JSF framework

In my lab I was asked to create a simple website using JSF framework and use REST as well. I did some research on ... use JAX-RS as well. How can I do that? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

1 answer

servlets - HTTP Status 405 - HTTP method is not supported by this URL

I have the following servlet: public class MyServlet extends HttpServlet { private static final long serialVersionUID = ... caused and how can I solve it? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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599 views

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servlets - java.lang.ClassNotFoundException: HttpServletRequest

I just got tomcat 7.0.27. I have kept the time to start tomcat 45sec. Also it was running fine with older ... some similar posts but did not find it useful. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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777 views

1 answer

servlets - @WebServlet annotation with Tomcat 7

In my application, I had a servlet which was defined like this in the web.xml: <servlet> <display-name> ... Could someone please tell me what I did wrong? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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760 views

1 answer

servlets - How do I call a specific Java method on a click/submit event of a specific button in JSP?

My Java file is: public class MyClass { public void method1() { // some code } public void method2() { //some ... method3, and so on. How can I achieve this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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596 views

1 answer

servlets - What is WEB-INF used for in a Java EE web application?

I'm working on a Java EE web application with the following source code directory structure: src/main/java < ... in addition to the other source file locations. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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802 views

1 answer

servlets - java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has been committed

This method throws java.lang.IllegalStateException: Cannot forward after response has been committed and I am unable to ... jsp").forward(request, response); } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

690 views

1 answer

servlets - HTTP Status 405 - HTTP method GET is not supported by this URL & The specified HTTP method is not allowed for the requested resource

When I open my browser (Chrome) on http://localhost:8084/Staff_Member_office_hours_management/EmailSendingServlet, then I see ... > </servlet> <servlet> <servlet-name>registerat...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

733 views

1 answer

servlets - JSP context root shows empty page

OpenJDK8 Java EE project using Tomcat 8.5 on Eclipse. Let's say my project's context root is "/sample" ... ://stackoverflow.com/questions/65949018/jsp-context-root-shows-empty-page...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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871 views

1 answer

servlets - Getting error: The content of element type "web-app" must match,

When I build my project in Eclipse Helios Service Release 2, I get an error in my web.xml. Please suggest what ... /getting-error-the-content-of-element-type-web-app-must-match...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

718 views

1 answer

servlets - Parse Accept-Language header in Java

The accept-language header in request is usually a long complex string - Eg. Accept-Language : en-ca, ... /stackoverflow.com/questions/6824157/parse-accept-language-header-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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731 views

1 answer

servlets - Parse Accept-Language header in Java

The accept-language header in request is usually a long complex string - Eg. Accept-Language : en-ca, ... /stackoverflow.com/questions/6824157/parse-accept-language-header-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

1 answer

servlets - ServletContainerInitializer vs ServletContextListener

I'm trying to register a servlet using servletContainerInitializer but it doesn't ... stackoverflow.com/questions/10776599/servletcontainerinitializer-vs-servletcontextlistener...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

531 views

1 answer

servlets - ServletContainerInitializer vs ServletContextListener

I'm trying to register a servlet using servletContainerInitializer but it doesn't ... stackoverflow.com/questions/10776599/servletcontainerinitializer-vs-servletcontextlistener...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

679 views

1 answer

servlets - HttpSession invalidate is redirecting to login page

Hi I'm using servlet filter to change session ID on every request in order to avoid session fixation. ... com/questions/66055702/httpsession-invalidate-is-redirecting-to-login-page...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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782 views

1 answer

servlets - 503 Service Unavailable error while accessing application service

I have deployed two applications on a SAP NetWeaver system, one is a UI Application and one is ... /66057423/503-service-unavailable-error-while-accessing-application-service...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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640 views

1 answer

servlets - HttpSession invalidate is redirecting to login page

Hi I'm using servlet filter to change session ID on every request in order to avoid session fixation. ... com/questions/66055702/httpsession-invalidate-is-redirecting-to-login-page...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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764 views

1 answer

servlets - 503 Service Unavailable error while accessing application service

I have deployed two applications on a SAP NetWeaver system, one is a UI Application and one is ... /66057423/503-service-unavailable-error-while-accessing-application-service...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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