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ElasticSearch–Failed to run ElasticSearch 7.6.1 after upgrade

After upgrading ElasticSearch to 7.6.1, it failed to start when I tried to run ElasticSearch as a windows service.

In the logs I found the following error message:

[2020-03-30 10:04:11] [info]  [ 4516] Service 'elasticsearch-service-x64' installed

[2020-03-30 10:04:11] [info]  [ 4516] Commons Daemon procrun finished

[2020-03-30 10:04:23] [info]  [ 4336] Commons Daemon procrun (1.1.0.0 64-bit) started

[2020-03-30 10:04:23] [info]  [ 4336] Running 'elasticsearch-service-x64' Service...

[2020-03-30 10:04:23] [info]  [ 4992] Starting service...

[2020-03-30 10:04:23] [error] [ 2432] CreateJavaVM Failed

[2020-03-30 10:04:23] [error] [ 2432] The system cannot find the file specified.

[2020-03-30 10:04:23] [error] [ 4992] Failed to start Java

[2020-03-30 10:04:23] [error] [ 4992] ServiceStart returned 4

[2020-03-30 10:04:23] [info]  [ 4336] Run service finished.

[2020-03-30 10:04:23] [info]  [ 4336] Commons Daemon procrun finished

The problem is that ElasticSearch tries to pass on a ‘-server’ option which is no longer supported in the latest JAVA versions.

To fix I had to change the Java Options:

  • Install the windows service through ‘elasticsearch-service install’
  • Open the ElasticSearch service manager through ‘elasticsearch-service manager’
  • Go to the Java tab and remove the ‘-server’ flag from the Java Options

  • Start the service
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