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Help is available by sending an email to csf-support@mit.edu
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h3.data resource
h3.data resource

How do I add new database Resource Definition (database connection) to Tomcat?

ANSWER:

  • The Install Tomcat 7 instructions gives an example on how to add a new Resouce Definition to Tomcat.
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h3.Tomcat 7 manager fails when deploying a WAR file when using the AJP connector

When the Tomcat 7 manager tries to deploy a war file, it fails with the following error:

{code
}
Feb 28, 2013 8:20:35 AM org.apache.coyote.ajp.AjpMessage processHeader
SEVERE: Invalid message received with signature 8192
{code}
*ANSWER:

*
By default, the maximum packet size that can be process by the AJP connector is 8192 bytes.
  Do the following to change the default:
  • Edit the Tomcat server.xml file located in the conf directory of your Tomcat installation.
    • Find the Connector entry (show below).
    Code Block
      Do the following to change the default:

# Edit the Tomcat *server.xml* file located in the *conf* directory of your Tomcat installation. 
# Find the *Connector* entry (show below).
{code}
<Connector port="8009" protocol="AJP/1.3" tomcatAuthentication="false" redirectPort="8443" address="127.0.0.1" maxPostSize="536870912" />
    Add 
    
{code}
# Add *maxHttpHeaderSize="65536"* and *packetSize="65536"* so that the Connector is as follows:
    
{code
    }
<Connector port="8009" protocol="AJP/1.3" tomcatAuthentication="false" redirectPort="8443" address="127.0.0.1"  maxPostSize="536870912" maxHttpHeaderSize="65536" packetSize="65536" />
  • When you are satisfied with your changes, save your changes and restart your Tomcat server.
    • 
{code}
# When you are satisfied with your changes, save your changes and restart your Tomcat server.
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h3.Tomcat 7 manager fails when deploying a WAR file larger than 50 MB.

* When the Tomcat 7 manager tries to deploy a war file that is larger that 50 MB, it fails with the following exception:
{code}
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    Tomcat 7 manager fails when deploying a WAR file larger than 50 MB.

    When the Tomcat 7 manager tries to deploy a war file that is larger that 50 MB, it fails with the following exception:
    Code Block
    
HTTP Status 500 - 

--------------------------------------------------------------------------------

type Exception report

message 

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

java.lang.IllegalStateException: org.apache.tomcat.util.http.fileupload.FileUploadBase$SizeLimitExceededException: the request was rejected because its size (63475228) exceeds the configured maximum (52428800)
	org.apache.catalina.connector.Request.parseParts(Request.java:2780)
	org.apache.catalina.connector.Request.parseParameters(Request.java:3024)
	org.apache.catalina.connector.Request.getParameter(Request.java:1139)
	org.apache.catalina.connector.RequestFacade.getParameter(RequestFacade.java:382)
	org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:163)
	org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)

root cause 

org.apache.tomcat.util.http.fileupload.FileUploadBase$SizeLimitExceededException: the request was rejected because its size (63475228) exceeds the configured maximum (52428800)
	org.apache.tomcat.util.http.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.java:804)
	org.apache.tomcat.util.http.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:284)
	org.apache.tomcat.util.http.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:304)
	org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:129)
	org.apache.catalina.connector.Request.parseParts(Request.java:2718)
	org.apache.catalina.connector.Request.parseParameters(Request.java:3024)
	org.apache.catalina.connector.Request.getParameter(Request.java:1139)
	org.apache.catalina.connector.RequestFacade.getParameter(RequestFacade.java:382)
	org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:163)
	org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.25 logs.

    {code}
*ANSWER:
    *
* By default, the maximum file size that can be uploaded by the Tomcat 7 manager is 52428800 bytes.
      Do the following to change the default: Edit the 
    &nbsp;&nbsp;Do the following to change the default:
*# Edit the web.xml of the Tomcat manager application.
      You can find the 
    &nbsp;&nbsp;You can find the web.xml file for the Tomcat manager application in the *webapps/manager/WEB-INF directory of your Tomcat installation.
     
*# Find the *<multipart-config> tag* (show below) and increase the max-file-size and max-request-size (both initially set at *52428800*) to something larger than the war file size you want to deploy.
    
{code
    }
<multipart-config> 
    <max-file-size>52428800</max-file-size> 
    <max-request-size>52428800</max-request-size> 
    <file-size-threshold>0</file-size-threshold> 
</multipart-config>
    When you are satisfied with your changes, save your changes and restart your Tomcat server.
    
{code}
*# When you are satisfied with your changes, save your changes and restart your Tomcat server.
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    How do I block inbound connections on ports 8080 and 8443?

    • Follow this link for instructions on how to block inbound connections for any TCP port.