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ID: java-best-practices/preserve-stack-trace
Language: Java
Severity: Notice
Category: Best Practices
This rule identifies when exceptions are raised within a catch
block but are not relevant to the exception parameter specified in the catch
block. This can result in the original exception’s stack trace information being lost, which leads to throwing less detailed exceptions.
public class Foo {
void foo() {
try {
Integer.parseInt("foo");
} catch (Exception e) {
throw new Exception(e.getMessage()); // only throwing the message here
}
}
}
public class Foo {
void foo() {
try {
Integer.parseInt("foo");
} catch (Exception e) {
throw new Exception(e); // sending the full exception at least
}
}
}
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