yluom commented on issue #7780:
URL:
https://github.com/apache/shardingsphere/issues/7780#issuecomment-1535986313
If you are stuck with an old version of shardingsphere and have this issue,
there is a fix to bypass this Connection#isValid() validation and use query
validation instead:
`@Configuration
public class DataSourceHealthConfig extends
DataSourceHealthContributorAutoConfiguration {
@Value("${whatever.custom-db-validation-query:select 1}")
private String defaultQuery;
public DataSourceHealthConfig(Map<String, DataSource> dataSources,
ObjectProvider<DataSourcePoolMetadataProvider> metadataProviders) {
super(dataSources, metadataProviders);
}
@Override
protected AbstractHealthIndicator createIndicator(DataSource source) {
DataSourceHealthIndicator indicator = (DataSourceHealthIndicator)
super.createIndicator(source);
if (!StringUtils.hasText(indicator.getQuery())) {
indicator.setQuery(defaultQuery);
}
return indicator;
}
}`
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