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ID: java-best-practices/avoid-printstacktrace
Language: Java
Severity: Warning
Category: Best Practices
Use a logging framework instead of printStackTrace()
when handling exceptions. printStackTrace()
can be useful during development for quick debugging, but it is not suitable for production code.
class Foo {
void bar() {
try {
// removed for brevity
} catch (MyException myException) {
myException.printStackTrace();
} catch (Exception e) {
if ("foo" != "bar") {
e.printStackTrace();
}
}
}
}
class Foo {
void bar() {
try {
// removed for brevity
} catch (MyException myException) {
myException.printStackTrace();
} catch (Exception e) {
if ("foo" != "bar") {
e.printStackTrace();
}
}
}
}
import java.util.logging.Logger;
class Foo {
private static final Logger logger = Logger.getLogger(Foo.class.getName());
void bar() {
try {
// Code that may throw an exception
throw new RuntimeException("Something went wrong!");
} catch (Exception e) {
// Log the exception using the Java logger
logger.severe("An error occurred:");
logger.severe(e.toString());
if ("foo" != "bar") {
// Log the exception again if needed
logger.severe("An error occurred in an additional context:");
logger.severe(e.toString());
}
}
}
}