zhfeng commented on code in PR #22677:
URL: https://github.com/apache/shardingsphere/pull/22677#discussion_r1040443812
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,22 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoaders = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
getClass().getClassLoader(), ClassLoader.getSystemClassLoader(),
+ };
+ for (ClassLoader each : classLoaders) {
+ if (null != each) {
+ InputStream result = each.getResourceAsStream(resource);
+ if (null == result) {
+ result = each.getResourceAsStream("/" + resource);
+ }
Review Comment:
IIRC all `ClassLoader` uses relative path to load the resources. But in some
case of custom classloader, it might need the leading of `/`. So it makes sense
to try `resource` at first and if it fails, try `"/" + resource`.
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