TiFlash Deployment Failed to Start

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: TiFlash部署启动失败

| username: TiDBer_xFnKgQzl

【TiDB Usage Environment】Production Environment or Test Environment or POC
【TiDB Version】
【Encountered Problem】Error: failed to start tiflash: failed to start: 192.168.110.102 tiflash-9000.service,
【Reproduction Path】What operations were performed that caused the problem
【Problem Phenomenon and Impact】

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【Attachments】Related logs and monitoring (https://metricstool.pingcap.com/)

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If the question is related to performance optimization or troubleshooting, please download the script and run it. Please select all and copy-paste the terminal output results for upload.

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| username: wakaka | Original post link

What is the error in tiflash.log?

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| username: TiDBer_xFnKgQzl | Original post link

The file being looked at is tiflash_error.log, and the error should be “application: null context when constructing CiverServer.” It was deployed using tiup.

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| username: flow-PingCAP | Original post link

Please provide the operating system version and TiDB version.

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| username: wuxiangdong | Original post link

It looks like there is an issue with the port in the logs. Is the port being occupied?