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[#11683] Install JUL-to-SLF4J bridge to route java.util.logging through Maven logging #12345

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[#11683] Install JUL-to-SLF4J bridge to route java.util.logging through Maven logging #12345

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b5c4051
[#11683] Install JUL-to-SLF4J bridge to route java.util.logging throu…
gnodet Jun 23, 2026
989f522
Guard JUL bridge installation with isInstalled() check
gnodet Jun 25, 2026
9fa0238
Add unit tests for JUL-to-SLF4J bridge installation
gnodet Jun 27, 2026
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7 changes: 7 additions & 0 deletions apache-maven/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,13 @@ under the License.
<version>${slf4jVersion}</version>
<scope>runtime</scope>
</dependency>
<!-- bridge from java.util.logging (JUL) to SLF4J -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jul-to-slf4j</artifactId>
<version>${slf4jVersion}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.maven.resolver</groupId>
<artifactId>maven-resolver-connector-basic</artifactId>
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4 changes: 4 additions & 0 deletions impl/maven-cli/pom.xml
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Expand Up @@ -195,6 +195,10 @@ under the License.
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jul-to-slf4j</artifactId>
</dependency>
<dependency>
<groupId>commons-cli</groupId>
<artifactId>commons-cli</artifactId>
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4 changes: 4 additions & 0 deletions impl/maven-cli/src/main/java/org/apache/maven/cling/invoker/LookupInvoker.java
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Expand Up @@ -90,6 +90,7 @@
import org.jline.terminal.impl.AbstractPosixTerminal;
import org.jline.terminal.spi.TerminalExt;
import org.slf4j.LoggerFactory;
import org.slf4j.bridge.SLF4JBridgeHandler;
import org.slf4j.spi.LocationAwareLogger;

import static java.util.Objects.requireNonNull;
Expand Down Expand Up @@ -428,6 +429,9 @@ protected Consumer<String> doDetermineWriter(C context) {
}

protected void activateLogging(C context) throws Exception {
// Route java.util.logging (JUL) through SLF4J
SLF4JBridgeHandler.removeHandlersForRootLogger();
SLF4JBridgeHandler.install();
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context.slf4jConfiguration.activate();
if (context.options().failOnSeverity().isPresent()) {
String logLevelThreshold = context.options().failOnSeverity().get();
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5 changes: 5 additions & 0 deletions pom.xml
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Expand Up @@ -510,6 +510,11 @@ under the License.
<version>${slf4jVersion}</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jul-to-slf4j</artifactId>
<version>${slf4jVersion}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
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