dosubot[bot] commented on issue #586:
URL:
https://github.com/apache/incubator-hugegraph-toolchain/issues/586#issuecomment-1988749563
<!-- Answer -->
In the context of the `tryConnect` method in the `HugeClientUtil.java` file,
when a `ServerException` is caught and an `ExternalException` is thrown with
the error code "server.error.generic", the appropriate message and cause for
this exception should be as follows:
The message should be a user-friendly description of the error that
occurred. This message is intended to be displayed to the end user and should
be clear and concise. It should provide enough information for the user to
understand what went wrong, but it should not include any sensitive information
or details that would be irrelevant or confusing to the user. For example, the
message could be something like "An error occurred while trying to connect to
the server."
The cause for the `ExternalException` should be the original
`ServerException` that was caught. This allows the full stack trace of the
original exception to be preserved and can provide valuable debugging
information. The cause can be set when constructing the `ExternalException` by
passing it as a parameter to the constructor, like this:
```java
throw new ExternalException("server.error.generic", serverException);
```
In this case, "server.error.generic" is the error code that will be
associated with the `ExternalException`, and `serverException` is the original
`ServerException` that was caught.
Please note that the actual error code and message should be chosen based on
the specific circumstances of the error. The error code "server.error.generic"
and the message "An error occurred while trying to connect to the server." are
just examples and may not be appropriate for all situations.
For more information on how to handle exceptions in HugeGraph, you can refer
to the [HugeGraph documentation](https://hugegraph.github.io/hugegraph-doc/),
specifically the section on [Error
Handling](https://hugegraph.github.io/hugegraph-doc/clients/hugegraph-client.html#error-handling).
I hope this helps! If you have any further questions, please don't hesitate
to ask.
[Source
Code](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-hubble/hubble-be/src/main/java/org/apache/hugegraph/util/HugeClientUtil.java)
## Sources
-
[hugegraph-hubble/hubble-be/src/main/java/org/apache/hugegraph/util/HugeClientUtil.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-hubble/hubble-be/src/main/java/org/apache/hugegraph/util/HugeClientUtil.java)
-
[hugegraph-client/src/main/java/org/apache/hugegraph/exception/ServerException.java](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client/src/main/java/org/apache/hugegraph/exception/ServerException.java)
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