Java Clinet lost connection

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When I use java client, version 5.0.0. When the server run after a period , I found the point has not been writen to db. And there are not any exception logs.
Then , i use command "netstat -apntl | grep 8086" ,find none.
Could you tell me how to fix it. thanks.

I use token to auth.

init code is :
```
influxDBClients = InfluxDBClientFactory.create(address, token.toCharArray());
writeApis = influxDBClients.makeWriteApi(WriteOptions.builder().batchSize(128).flushInterval(3000).build());
```
and call in another function

```
writeApi = getApi();
Point point = Point.measurement(measurement).addTags(tags);
writeApi.writePoint("bucket1", "xxxx", point);
```

Start by reproducing the reported behavior around InfluxDBClientFactory.create, makeWriteApi, and writePoint, using the Java client 5.0.0 configuration shown in the issue. Check what happens after the server runs for a period and whether the point is persisted or any connection errors are reported; the issue is resolved when writes continue reliably or the failure is clearly surfaced.

Written by the indexing model from the issue text.