Antonio Perez

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transmission_of_audio_and_video:audio_and_video [2024/10/23 20:26] – apereztransmission_of_audio_and_video:audio_and_video [2025/12/25 20:42] (current) – aperez
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-{{:transmission_of_audio_and_video:vlcli.png?400|}}+{{ :transmission_of_audio_and_video:vlcli.png?600 |}} 
 + 
 +{{ :transmission_of_audio_and_video:visionlite.png?800 |}} 
 +---- 
 + 
 + 
 + 
 + 
 + 
 +====== Automatic Startup of Java Application (VisionLite) as a Windows Service ====== 
 + 
 +===== Purpose ===== 
 +Establish a standard, reproducible, and best-practice-aligned procedure to run a Java (.jar) 
 +application as a **Windows Service**, ensuring: 
 + 
 +  * Automatic startup when the server boots 
 +  * Independence from user login 
 +  * Automatic restart on failures 
 +  * Use of standard production paths 
 + 
 +--- 
 + 
 +===== Scenario ===== 
 +Java application manually executed with: 
 + 
 +<code> 
 +java -jar VLite_2_3_169.jar 
 +</code> 
 + 
 +Requirement: 
 +The application must start automatically after every operating system reboot. 
 + 
 +--- 
 + 
 +===== Requirements ===== 
 +  * Windows Server 2016+ / Windows 10+ 
 +  * PowerShell with administrative privileges 
 +  * Internet connectivity (initial installation) 
 +  * Java Runtime Environment (JRE) 
 +  * NSSM (Non-Sucking Service Manager) 
 + 
 +--- 
 + 
 +===== Step 1 — Chocolatey Installation ===== 
 +Chocolatey is the standard Windows package manager. 
 + 
 +==== Verification ==== 
 +<code powershell> 
 +choco -v 
 +</code> 
 + 
 +==== Installation (if not present) ==== 
 +<code powershell> 
 +Set-ExecutionPolicy Bypass -Scope Process -Force 
 +[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072 
 +iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1')) 
 +</code> 
 + 
 +Close and reopen PowerShell. 
 + 
 +--- 
 + 
 +===== Step 2 — Java Installation and Verification ===== 
 +Java LTS is recommended (Java 8 or 11). 
 + 
 +==== Java 8 Installation ==== 
 +<code powershell> 
 +choco install jre8 -y 
 +</code> 
 + 
 +==== Verification ==== 
 +<code powershell> 
 +java -version 
 +</code> 
 + 
 +Validated output in this environment: 
 +<code> 
 +java version "1.8.0_261" 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 3 — Identifying the REAL Java Path ===== 
 +⚠️ Do NOT use the wrapper: 
 +<code> 
 +C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe 
 +</code> 
 + 
 +==== Validate the real binary ==== 
 +<code powershell> 
 +Test-Path "C:\Program Files\Java\jre1.8.0_261\bin\java.exe" 
 +</code> 
 + 
 +Result: 
 +<code> 
 +True 
 +</code> 
 + 
 +Confirmed path: 
 +<code> 
 +C:\Program Files\Java\jre1.8.0_261\bin\java.exe 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 4 — NSSM Installation ===== 
 +NSSM allows applications to run as controlled Windows services. 
 + 
 +==== Installation ==== 
 +<code powershell> 
 +choco install nssm -y 
 +</code> 
 + 
 +==== Verification ==== 
 +<code powershell> 
 +nssm version 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 5 — Service Verification ===== 
 +Check whether the service already exists: 
 + 
 +<code powershell> 
 +Get-Service *vision* | Format-Table Name,DisplayName,Status 
 +</code> 
 + 
 +Validated result: 
 +<code> 
 +Name        DisplayName   Status 
 +VisionLite VisionLite    Stopped 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 6 — VisionLite Service Configuration ===== 
 +All commands must be executed in **PowerShell as Administrator**. 
 + 
 +==== Java executable definition ==== 
 +<code powershell> 
 +nssm set VisionLite Application "C:\Program Files\Java\jre1.8.0_261\bin\java.exe" 
 +</code> 
 + 
 +==== Execution parameters ==== 
 +<code powershell> 
 +nssm set VisionLite AppParameters "-jar VLite_2_3_169.jar" 
 +</code> 
 + 
 +==== Initial working directory ==== 
 +<code powershell> 
 +nssm set VisionLite AppDirectory "C:\Users\Administrator\Desktop\Software" 
 +</code> 
 + 
 +==== Automatic startup ==== 
 +<code powershell> 
 +nssm set VisionLite Start SERVICE_AUTO_START 
 +</code> 
 + 
 +==== Automatic restart on failure ==== 
 +<code powershell> 
 +nssm set VisionLite AppExit Default Restart 
 +nssm set VisionLite AppRestartDelay 60000 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 7 — Service Start and Validation ===== 
 +<code powershell> 
 +nssm start VisionLite 
 +sc query VisionLite 
 +</code> 
 + 
 +Validated state: 
 +<code> 
 +STATE : 4  RUNNING 
 +</code> 
 + 
 +==== Auto-start confirmation ==== 
 +<code powershell> 
 +sc qc VisionLite 
 +</code> 
 + 
 +Result: 
 +<code> 
 +START_TYPE : 2  AUTO_START 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 8 — Best Practice Correction ===== 
 +A user Desktop–based path is **NOT recommended** for production. 
 + 
 +==== Standard path defined ==== 
 +<code> 
 +C:\Services\VisionLite 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 9 — Service Migration to Standard Path ===== 
 + 
 +==== Stop the service ==== 
 +<code powershell> 
 +nssm stop VisionLite 
 +</code> 
 + 
 +==== Create production directory ==== 
 +<code powershell> 
 +mkdir C:\Services\VisionLite 
 +</code> 
 + 
 +==== Migrate application files ==== 
 +<code powershell> 
 +Move-Item "C:\Users\Administrator\Desktop\Software\*" "C:\Services\VisionLite\" -Force 
 +</code> 
 + 
 +==== Update service working directory ==== 
 +<code powershell> 
 +nssm set VisionLite AppDirectory "C:\Services\VisionLite" 
 +</code> 
 + 
 +==== Restart the service ==== 
 +<code powershell> 
 +nssm start VisionLite 
 +sc query VisionLite 
 +</code> 
 + 
 +--- 
 + 
 +===== Step 10 — Final Validation ===== 
 +==== NSSM configuration dump ==== 
 +<code powershell> 
 +nssm dump VisionLite 
 +</code> 
 + 
 +Confirm: 
 +<code> 
 +AppDirectory C:\Services\VisionLite 
 +</code> 
 + 
 +==== Recommended test ==== 
 +Reboot the server and verify the service is in RUNNING state. 
 + 
 +--- 
 + 
 +===== Daily Operations ===== 
 +<code powershell> 
 +nssm start VisionLite 
 +nssm stop VisionLite 
 +nssm restart VisionLite 
 +sc query VisionLite 
 +</code> 
 + 
 +--- 
 + 
 +===== Troubleshooting ===== 
 +^ Symptom ^ Probable cause ^ Corrective action ^ 
 +| Service stops | Incorrect directory | Verify AppDirectory | 
 +| JAR does not start | Incorrect Java path | Validate real java.exe | 
 +| Does not start after reboot | Not AUTO_START | Verify sc qc | 
 +| Files not found | Relative paths | Use standard path | 
 + 
 +--- 
 + 
 +===== Best Practices ===== 
 +  * Use `C:\Services` or `C:\ProgramData` 
 +  * Avoid user-profile-dependent paths 
 +  * Document changes in Wiki 
 +  * Centralize management with NSSM 
 +  * Consider a dedicated service account for critical services 
 + 
 +--- 
 + 
 +===== Final Note ===== 
 +Once configured as a service: 
 + 
 +❌ DO NOT manually execute: 
 +<code> 
 +java -jar VLite_2_3_169.jar 
 +</code> 
 + 
 +✅ Manage exclusively as a Windows service. 
 + 
 +--- 
 + 
 +<code powershell> 
 +nssm stop VisionLite 
 +sc query VisionLite 
 + 
 +nssm set VisionLite Application "C:\Program Files\Java\jre1.8.0_261\bin\java.exe" 
 +nssm set VisionLite AppParameters "-jar VLite_2_3_169.jar" 
 +nssm set VisionLite AppDirectory "C:\Services\VisionLite" 
 +nssm set VisionLite Start SERVICE_AUTO_START 
 +nssm set VisionLite AppExit Default Restart 
 +nssm set VisionLite AppRestartDelay 60000 
 + 
 +nssm start VisionLite 
 +sc query VisionLite 
 + 
 +sc qc VisionLite 
 + 
 +nssm dump VisionLite 
 + 
 +nssm start VisionLite 
 +nssm stop VisionLite 
 +nssm restart VisionLite 
 +sc query VisionLite 
 +</code> 
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transmission_of_audio_and_video/audio_and_video.1729715202.txt.gz · Last modified: by aperez
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