Atlassian Knowledge Base

Welcome to the home for the Atlassian Knowledge Base!

These pages provide troubleshooting and how-to tips all the Atlassian products and also links to all our product-specific knowledge bases.

If you're looking for product documentation visit Atlassian Documentation, or find answers on Atlassian Answers.

Support Troubleshooting Guides

Popular troubleshooting guides

Proxying Atlassian Server applications
Securing your Atlassian applications with Apache using SSL
Application Links Troubleshooting Guide
Database Troubleshooting and How-to Guides
User Management Troubleshooting and How-To Guides
Generating HAR files and Analysing Web Requests
Performance Troubleshooting Tools - Best Practice

Useful support resources

Atlassian Support Offerings
Restricted functions in Atlassian Cloud apps
Atlassian Support End of Life Policy
Atlassian Answers

Quick Links

Support Knowledge Bases

JIRA Family

JIRA Knowledge Base
JIRA Agile Knowledge Base
JIRA Capture Knowledge Base
JIRA Portfolio Knowledge Base
JIRA Service Desk KB

Collaboration Family

Confluence Knowledge Base
Confluence Questions KB
Crowd Knowledge Base
HipChat Client KB
HipChat Server KB

Dev Tools Family

Bamboo Knowledge Base
Clover Knowledge Base
Fisheye & Crucible Knowledge
SourceTree Knowledge Base
Stash Knowledge Base

Atlassian Cloud

Atlassian Cloud KB
Bitbucket Knowledge Base

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Application Links Troubleshooting Guide
- Common Application Link Layouts
- Application Links Troubleshooting Flowchart
- OAuth Troubleshooting Guide
- Trusted Applications authentication Troubleshooting Guide
- Basic Authentication Troubleshooting Guide
- Reverse Proxy and Application Link Troubleshooting Guide
- SSL and Application Link Troubleshooting Guide
- How to Guides for Application Links
- Network and Connectivity Troubleshooting Guide
- Common Application Link Error Messages
- Application Links fail due to None are Marked as Primary
- Setting up Application Link results in ServerID already being used
- Application link not working due to "ManifestNotFoundException"
- Cannot retrieve link and provider entity when creating Application Link
Database Troubleshooting and How-to Guides
- Microsoft SQL Server Troubleshooting and How-To Guides
  - How to fix the collation of a Microsoft SQL Server database
  - How to update Microsoft SQL Server password when it has expired
- MySQL Troubleshooting and How-To Guides
- Oracle Troubleshooting and How-to Guides
  - Confluence Upgrade Fails because Oracle could not Complete Schema Update
  - Exporting a database does not export some tables
- Postgres Troubleshooting and How-To Guides
  - How to drop and recreate the database constraints on PostgreSQL.
Performance Troubleshooting Tools - Best Practice
- Atlassian KB Resources
  - Atlassian KB List
- Generating HAR files and Analysing Web Requests
SSL/TLS Troubleshooting
- Connecting to SSL services
- How to import an existing SSL certificate for use in Tomcat
- Logjam (CVE-2015-4000) and Atlassian Products
- Security tools report the default SSL Ciphers are too weak
- Unable to Connect to SSL Services due to PKIX Path Building Failed
Cross Product Knowledge
- 550 5.7.1 Unable to Relay Mail From Exchange Server
- Application crashes due to 'Internal Error (sharedRuntime.cpp:833)' caused by Java 8 bug
- Application crashes with SIGSEGV jvm.dll ciObjectFactory::create_new_metadata
- Browser Troubleshooting Guide
- Disabling Analytics throws Configuration change could not be saved, check your connection with the server
- Element type Connector must be followed by either attribute specifications
- Generating a thread dump
- How to change JVM arguments at runtime to avoid application restart
- Incremental LDAP synchronisation causing user deletion
- java.io.IOException: Map fail
- ORA-04031 unable to allocate X bytes of shared memory when starting application
- Support requests from the Support Tools Plugin take a very long time to hit support.atlassian.com
Proxying Atlassian Server applications
- Maintenance page for JIRA, Confluence at proxy level
- Changing port that your Atlassian application listens on
- Securing your Atlassian application's Tomcat using SSL
- How to Configure Outbound HTTP and HTTPS Proxy for your Atlassian application
- Setting properties and options on startup for Atlassian applications
- Set a context path for Atlassian applications
- Proxying Atlassian server applications with Apache HTTP Server (mod_proxy_http)
- Proxying Atlassian server applications with Apache HTTP Server (mod_proxy_ajp)
- Securing your Atlassian applications with Apache using SSL
Mapping Web Resources to Code
Subscribe to Proactive Announcements
How to capture HTTP traffic using Wireshark or Fiddler
Cross Site Request Forgery (CSRF) protection changes in Atlassian REST
Troubleshooting slow MySQL performance
Purchased Add-ons feature is unavailable
Single Sign-on Integration with the Atlassian stack
Troubleshooting Services
- Starting service on Linux throws a No such file or directory error
Testing disk access speed for a Java application
User Management Troubleshooting and How-To Guides
- Best Practices
- Common User Management Errors
- Common User Management Problems
- How to write LDAP search filters
- LDAP Configuration Guide
- User Management Goals
Atlassian login issues
JQL with OR results in error.
Setting the timezone for the Java environment
Websudo is disabled after migration from JIRA cloud to JIRA server