Troubleshooting Guide
This guide helps you diagnose and resolve common issues in OpenCDMP. Issues are organized by category for quick navigation.
Use Ctrl+F (or Cmd+F on Mac) to search for specific error messages or symptoms on this page.
How to Use This Guide
- Identify the symptom - What is not working?
- Find the relevant section below
- Try the suggested solutions in order
- Check logs if the issue persists
- Contact support if unresolved (see bottom of page)
Quick Diagnostic Questions
Before diving into specific issues, answer these questions:
- 🔄 Have you tried refreshing the page?
- 🚪 Have you tried logging out and back in?
- 🌐 Are you using a supported browser? (Chrome, Firefox, Edge, Safari)
- 📶 Is your internet connection stable?
- 🕐 Did this work before? (If yes, what changed?)
- 👥 Can others reproduce the issue?
Table of Contents
User Issues
- Login and Authentication Problems
- Cannot Create or Save Plans
- Cannot See My Plans
- Collaboration and Sharing Issues
- Export Problems
- Upload and File Issues
- Notification Issues
Administrator Issues
System Issues
Login and Authentication Problems
Issue: Cannot Log In - "Invalid Credentials"
Symptoms:
- Error message: "Invalid username or password"
- Login button does nothing
- Redirected back to login after entering credentials
Solutions:
-
Verify Credentials
- Check for typos (password is case-sensitive)
- Ensure Caps Lock is OFF
- Try copying/pasting password from password manager
-
Password Reset
- Click "Forgot Password" link
- Check email (including spam folder) for reset link
- Reset link expires after 24 hours - request new one if needed
-
Account Status
- Verify your account is active (contact admin)
- Check if account requires activation email
- Ensure you're not locked out after multiple failed attempts
-
SSO Issues
- If using Single Sign-On, verify SSO provider is working
- Try logging into SSO provider directly
- Clear browser cookies and try again
Still not working?
- Contact your OpenCDMP administrator
- Provide: username (not password!), error message, browser used
Issue: Redirected to Keycloak Login Page in Loop
Symptoms:
- Login successful but redirected back to Keycloak
- Infinite redirect loop
- Browser shows "too many redirects" error
Solutions:
-
Clear Browser Data
Chrome: Settings → Privacy → Clear browsing data
Firefox: Settings → Privacy → Clear Data- Select: Cookies and cached files
- Time range: All time
- Restart browser
-
Check Keycloak Configuration (Admin)
- Verify Keycloak
IDP_ISSUER_URI
matches realm URL exactly - Check
CORS_ALLOWED_ORIGIN
includes frontend URL - Ensure Keycloak client redirect URIs include OpenCDMP URL
- Verify Keycloak
-
Browser Issues
- Disable browser extensions (especially ad blockers)
- Try incognito/private browsing mode
- Try different browser
Issue: "Session Expired" or "Unauthorized" Errors
Symptoms:
- Error message: "Your session has expired"
- Status: 401 Unauthorized
- Randomly logged out
Solutions:
-
Immediate Fix
- Log out completely
- Close all browser tabs
- Log back in
-
Prevent Recurrence
- Don't leave OpenCDMP idle for long periods
- Save work frequently
- Use browser's "remember me" feature
-
Administrator Settings (if too frequent)
- Increase Keycloak session timeout
- Check token expiration settings
- Review session management configuration
Keycloak Session Settings:
Keycloak Admin Console → Realm Settings → Tokens
- SSO Session Idle: 30 minutes
- SSO Session Max: 10 hours
- Access Token Lifespan: 5 minutes
Cannot Create or Save Plans
Issue: "Required Field" Errors Preventing Save
Symptoms:
- Cannot save plan
- Error: "Please fill in all required fields"
- Red indicators on form fields
Solutions:
-
Identify Missing Fields
- Look for fields marked with red asterisk (*)
- Scroll through all sections - missing fields may be in collapsed sections
- Check progress bar for incomplete sections
-
Field-Specific Issues
- Date fields: Ensure valid date format (YYYY-MM-DD or as specified)
- Dropdown fields: Select an option, don't leave as "Select..."
- Email fields: Enter valid email format (user@domain.com)
- Number fields: Enter numbers only (no text)
-
Validation Errors
- Read error messages carefully - they indicate what's wrong
- Fix validation errors one by one
- Some fields depend on others - fill in correct order
-
Browser Auto-fill Issues
- Auto-fill may not trigger validation
- Manually click in auto-filled fields to trigger validation
- Or manually re-type the values
Still can't save?
- Take screenshots of errors and contact support
Issue: Changes Not Saved / Lost Work
Symptoms:
- Edited plan but changes disappeared
- "Save" button clicked but changes lost
- Plan reverted to previous state
Solutions:
-
Save Frequently
- Look for confirmation message after saving
-
Network Issues
- Check internet connection
- Look for "offline" or "connection lost" messages
- If connection lost, copy your work to clipboard before refreshing
-
Concurrent Editing
- If multiple people edit simultaneously, last save wins
- Use sections to avoid conflicts (assign sections to different users)
- Coordinate editing times with collaborators
-
Browser Issues
- Don't close tab immediately after clicking "Save"
- Wait for save confirmation
- Check browser console for errors (F12 → Console tab)
Preventing Data Loss:
- ✅ Save after every major section
- ✅ Copy long text to clipboard before pasting into forms
- ✅ Draft long text in separate document first
- ✅ Use section-level permissions to avoid conflicts
Issue: "Access Denied" or "Insufficient Permissions"
Symptoms:
- Error: "You do not have permission to perform this action"
- Status: 403 Forbidden
- Cannot edit plan you own
Solutions:
-
Check Your Role
- View plan details - what is your role?
- Owner: Full access
- Contributor: Can edit descriptions into assigned sections
- Viewer: Read-only
- Reviewer: Can add annotations only
-
Plan Status
- Draft: Owners/Contributors can edit
- Finalized: Usually read-only
- Solution: Change status back to Draft (if you have permission)
-
Section Permissions
- You may only have access to specific sections
- Try editing sections assigned to you
- Contact plan owner to adjust permissions
-
Account Issues
- Verify you're logged into correct account
- Check if account is still active
- Contact administrator to verify permissions
Cannot See My Plans
Issue: Plans List is Empty
Symptoms:
- "My Plans" page shows no plans
- Plans you created are missing
- Recently created plan not visible
Solutions:
-
Check Filters
- Look for filter controls above plan list
- Reset all filters:
- Status: Show all
- Blueprint type: All
- Clear search box if present
-
Check Sorting
- Plans might be sorted differently
- Try sorting by: "Modified", "Label", "Status"
-
Verify Plan Exists
- Ask collaborator to check if they can see it
- Administrator can search all plans
-
Cache Issues
- Refresh page (Ctrl+R or Cmd+R)
- Hard refresh (Ctrl+Shift+R or Cmd+Shift+R)
- Clear browser cache
-
Tenant/Organization Filter
- If multi-tenant: verify you're viewing correct tenant
- Switch tenant dropdown if available
Issue: Search Returns No Results
Symptoms:
- Search for plan title returns nothing
- Keyword search doesn't work
- All plans missing after search
Solutions:
-
Check Search Syntax
- Try partial words ("Marine" instead of "Marine Biology Project")
- Try different keywords
- Remove special characters
-
Elasticsearch Issues (Administrator)
- Verify Elasticsearch is running
- Check if plans are indexed
- Rebuild search index
-
Clear Search and Filters
- Remove search terms
- Reset all filters
- Refresh page
Collaboration and Sharing Issues
Issue: Collaborator Invitation Not Received
Symptoms:
- Invited user did not receive email
- Email invitation link doesn't work
- User says they never got invitation
Solutions:
-
Check Email Address
- Verify email address is correct (typos common!)
- Check for extra spaces
- Case-sensitive email systems are rare but possible
-
Check Spam/Junk Folder
- Email may be filtered as spam
- Add opencdmp@your-domain.com to contacts
- Check quarantine if corporate email
-
Resend Invitation
- Resend invitation Or remove and re-add user
-
Email Service Issues (Administrator)
- Check notification service is running
- Verify SMTP configuration
- Check email service logs
- Test with different email provider (Gmail, Outlook, etc.)
Issue: Collaborator Cannot Edit Sections
Symptoms:
- Collaborator added but cannot edit
- Sections are read-only for collaborator
- "You do not have permission" error
Solutions:
-
Verify Collaborator Role
- Check user's role
-
Check Section Assignment
- Some setups require explicit section assignment
- Assign specific sections to collaborator
- Or grant "All sections" access
-
Plan Status
- Finalized plans cannot be edit
-
Collaborator Must Accept Invitation
- They must click link in email
- And log in to OpenCDMP
- Then they'll see plan
Export Problems
Issue: Exported PDF/DOCX is Incomplete
Symptoms:
- Exported file missing sections
- Content truncated
- Formatting broken
Solutions:
-
Verify Plan is Complete
- Ensure all sections saved before export
- Check progress bar shows 100%
- Save plan, then export
-
Try Different Format
- If PDF broken, try DOCX
- If DOCX broken, try PDF or JSON
- Different formats use different converters
-
File Size Issues
- Very large plans may have issues
- Try exporting individual sections
- Reduce image sizes if possible
-
File Transformer Service Issues (Administrator)
- Check file transformer service is running
- Verify PDF converter is configured
- Check service logs for errors
Upload and File Issues
Issue: Cannot Upload Files
Symptoms:
- Upload button doesn't work
- File selection dialog doesn't open
- Upload fails with error
Solutions:
-
File Size Limit
- Check file size (typically 10 MB limit)
- Compress large files
- Upload to external storage and link instead
-
File Type Restrictions
- Some file types may be blocked
- Rename .exe or .bat files to .txt (if appropriate)
- Check allowed file types in documentation
-
Browser Issues
- Clear browser cache
- Try different browser
- Disable extensions
-
Network Timeout
- Large files may timeout on slow connections
- Try faster/more stable internet
- Upload during off-peak hours
Notification Issues
Issue: Not Receiving Email Notifications
Symptoms:
- No emails for plan invitations
- No status change notifications
- No reminder emails
Solutions:
-
Check User Email Preferences
- Update email address if changed
-
Check Spam Folder
- Emails may be filtered
- Add sender to safe senders list
-
Administrator Checks:
- Verify notification service is running
- Check SMTP configuration
- Test email delivery manually
User Management Problems
Issue: Cannot Add Users (Administrator)
Symptoms:
- "Add User" button disabled or missing
- Email invitation fails
- Error creating user account
Solutions:
-
Check Administrator Permissions
- Verify you have Tenant Admin or Installation Admin role
- Some actions require specific admin level
-
Email Already Exists
- User may already have account
- Search existing users before adding
- Users can belong to multiple tenants
-
Keycloak Integration Issues
- If SSO: user must exist in Keycloak first
- Create user in Keycloak, then assign to OpenCDMP
- Verify Keycloak API connection
Blueprint or Template Not Working
Issue: Blueprint Not Appearing for Users
Symptoms:
- Users cannot see/select blueprint
- Blueprint exists but not in list
- "No blueprints available" message
Solutions (Administrator):
-
Check Blueprint Status
- Blueprint must be Finalized (not Draft)
-
Check Permissions
- Verify blueprint permissions
- Ensure appropriate user groups have access
- Check tenant restrictions
-
Version Issues
- Multiple versions may exist
Issue: Template Fields Not Displaying
Symptoms:
- Description template appears empty
- Fields missing in template
- Template not loading
Solutions (Administrator):
-
Check Template Status
- Template must be Finalized
- Verify template has fields defined
-
Blueprint Compatibility
- Ensure template is compatible with blueprint
- Check template type matches section requirements
-
Cache Issues
- Clear application cache
- Restart backend service
- Users should clear browser cache
Integration Issues
Issue: Zenodo/Repository Deposit Fails
Symptoms:
- Deposit button does nothing
- Error: "Deposit failed"
- No DOI received
Solutions:
-
Check Plan Status
- Plan must be Finalized
-
Authentication Issues (Administrator)
- Verify Zenodo API token is valid
- Check token hasn't expired
- Ensure correct permissions granted
-
Metadata Requirements
- Repository may require specific metadata
- Check deposit service configuration
- Verify all mapped fields are filled
-
Network/Service Issues
- Repository may be temporarily unavailable
- Try again later
- Check repository status page
Performance Problems
Issue: OpenCDMP is Slow
Symptoms:
- Pages take long to load
- Actions delayed (save, export, search)
- Timeout errors
Solutions (Users):
-
Browser-Level Fixes
- Close unnecessary browser tabs
- Clear browser cache and cookies
- Disable unnecessary extensions
- Update browser to latest version
-
Network Issues
- Check internet connection speed
- Try different network (WiFi vs. wired)
- Use VPN if corporate firewall slow
-
Plan-Specific Issues
- Very large plans may be slow
Solutions (Administrator):
-
Check Server Resources
# CPU and memory usage
docker stats
# Disk space
df -h -
Database Performance
Services Not Starting
Issue: Backend Service Won't Start
Symptoms:
- Container exits immediately after start
- Error logs show configuration issues
- Service health check fails
Solutions (Administrator):
-
Check Logs
-
Common Issues:
Database Connection Failed:
Error: "Could not connect to database"
- Verify PostgreSQL is running
- Check
DB_URL
,DB_USER
,DB_PASS
correct - Test database connection manually
Keycloak Unreachable:
Error: "Unable to fetch OIDC configuration"
- Verify Keycloak is running
- Check
IDP_ISSUER_URI
is correct and accessible - Ensure network between services
Missing Environment Variables:
Error: "Required environment variable not set"
- Check all required vars in
.env
file - Verify
.env
file is in correct location - Ensure Docker Compose loads
.env
file
-
Port Conflicts
- Check if port already in use
- Change port mapping in docker-compose.yml
-
Permission Issues
- Check file permissions
- Ensure volumes are writable
Database Connection Errors
Issue: "Connection Refused" or "Connection Timeout"
Solutions (Administrator):
-
Verify PostgreSQL Running
-
Test Connection Manually
-
Check Network Configuration
-
Database Credentials
Network and Connectivity
Issue: CORS Errors
Symptoms:
- Browser console shows CORS error
- Frontend cannot reach backend API
- Status: "Network Error" or "CORS policy blocked"
Solutions (Administrator):
-
Check CORS Configuration
# Backend configuration
CORS_ALLOWED_ORIGIN=http://localhost:4200- Must match frontend URL exactly
- Include protocol (http:// or https://)
- Include port if non-standard
-
Browser Dev Tools
- Check exact error message in console (F12)
- Verify request URL is correct
- Check response headers include Access-Control-Allow-Origin
-
Reverse Proxy
- If using nginx/Apache, ensure CORS headers configured
- Check reverse proxy passes headers correctly
Getting More Help
Collecting Diagnostic Information
Before contacting support, gather this information:
User Information:
- Your username (NOT password)
- Your role (Owner, Contributor, Viewer, Admin)
- Exact error message (screenshot helpful)
- Steps to reproduce the issue
System Information:
- Browser and version (Help → About in browser)
- Operating system
- When did issue start?
- Does it happen for everyone or just you?
For Administrators:
- OpenCDMP version
- Relevant log snippets (sanitize sensitive data!)
- Configuration file excerpts (redact secrets!)
Browser Console Errors
- Open browser developer tools (F12)
- Go to Console tab
- Reproduce the issue
- Look for red error messages
- Take screenshot or copy error text
Contact Support
- GitHub Issues: https://github.com/OpenCDMP/OpenCDMP/issues
- Community Forum: Check your instance's support information
- Administrator: Contact your local OpenCDMP admin first
- Email: opencdmp@cite.gr (for general inquiries)
Related Documentation
- Deployment Guide - Initial setup and deployment
Many issues can be avoided by:
- Keeping OpenCDMP and dependencies up-to-date
- Regular backups of database and configuration
- Monitoring system resources and logs
- Testing changes in staging environment first