Also, if you had run the build before your commit you should have seen this 
failure.

Ralph

> On Aug 13, 2019, at 4:29 PM, Ralph Goers <[email protected]> wrote:
> 
> Gary, 
> 
> It seems this change broker compatibility. Please see the Jenkins failure. 
> You either need to resolve the code so compatibility is maintained or update 
> revapi.json with the recommended changes.
> 
> Ralph
> 
>> On Aug 13, 2019, at 2:06 PM, [email protected] wrote:
>> 
>> This is an automated email from the ASF dual-hosted git repository.
>> 
>> ggregory pushed a commit to branch release-2.x
>> in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git
>> 
>> 
>> The following commit(s) were added to refs/heads/release-2.x by this push:
>>    new 4679a08  [LOG4J2-2673] OutputStreamAppender.Builder ignores 
>> setFilter().
>> 4679a08 is described below
>> 
>> commit 4679a08d4899350f7ee19d050d2a96783b748066
>> Author: Gary Gregory <[email protected]>
>> AuthorDate: Tue Aug 13 17:06:48 2019 -0400
>> 
>>   [LOG4J2-2673] OutputStreamAppender.Builder ignores setFilter().
>> 
>>   Also allow a null output stream for convenience instead of an NPE.
>> ---
>> .../log4j/core/appender/OutputStreamAppender.java  | 351 
>> +++++++++++----------
>> .../core/appender/OutputStreamAppenderTest.java    | 230 +++++++-------
>> src/changes/changes.xml                            |   3 +
>> 3 files changed, 302 insertions(+), 282 deletions(-)
>> 
>> diff --git 
>> a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/OutputStreamAppender.java
>>  
>> b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/OutputStreamAppender.java
>> index 7dfd187..dc6f352 100644
>> --- 
>> a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/OutputStreamAppender.java
>> +++ 
>> b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/OutputStreamAppender.java
>> @@ -1,174 +1,177 @@
>> -/*
>> - * Licensed to the Apache Software Foundation (ASF) under one or more
>> - * contributor license agreements. See the NOTICE file distributed with
>> - * this work for additional information regarding copyright ownership.
>> - * The ASF licenses this file to You under the Apache license, Version 2.0
>> - * (the "License"); you may not use this file except in compliance with
>> - * the License. You may obtain a copy of the License at
>> - *
>> - *      http://www.apache.org/licenses/LICENSE-2.0
>> - *
>> - * Unless required by applicable law or agreed to in writing, software
>> - * distributed under the License is distributed on an "AS IS" BASIS,
>> - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>> - * See the license for the specific language governing permissions and
>> - * limitations under the license.
>> - */
>> -package org.apache.logging.log4j.core.appender;
>> -
>> -import java.io.OutputStream;
>> -import java.io.Serializable;
>> -
>> -import org.apache.logging.log4j.core.Appender;
>> -import org.apache.logging.log4j.core.Core;
>> -import org.apache.logging.log4j.core.Filter;
>> -import org.apache.logging.log4j.core.Layout;
>> -import org.apache.logging.log4j.core.config.Property;
>> -import org.apache.logging.log4j.core.config.plugins.Plugin;
>> -import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
>> -import org.apache.logging.log4j.core.config.plugins.PluginFactory;
>> -import org.apache.logging.log4j.core.layout.PatternLayout;
>> -import org.apache.logging.log4j.core.util.CloseShieldOutputStream;
>> -
>> -/**
>> - * Appends log events to a given output stream using a layout.
>> - * <p>
>> - * Character encoding is handled within the Layout.
>> - * </p>
>> - */
>> -@Plugin(name = "OutputStream", category = Core.CATEGORY_NAME, elementType = 
>> Appender.ELEMENT_TYPE, printObject = true)
>> -public final class OutputStreamAppender extends 
>> AbstractOutputStreamAppender<OutputStreamManager> {
>> -
>> -    /**
>> -     * Builds OutputStreamAppender instances.
>> -     */
>> -    public static class Builder<B extends Builder<B>> extends 
>> AbstractOutputStreamAppender.Builder<B>
>> -            implements 
>> org.apache.logging.log4j.core.util.Builder<OutputStreamAppender> {
>> -
>> -        private Filter filter;
>> -
>> -        private boolean follow = false;
>> -
>> -        private final boolean ignoreExceptions = true;
>> -
>> -        private OutputStream target;
>> -
>> -        @Override
>> -        public OutputStreamAppender build() {
>> -            final Layout<? extends Serializable> layout = getLayout();
>> -            final Layout<? extends Serializable> actualLayout = layout == 
>> null ? PatternLayout.createDefaultLayout()
>> -                    : layout;
>> -            return new OutputStreamAppender(getName(), actualLayout, 
>> filter, getManager(target, follow, actualLayout),
>> -                    ignoreExceptions, getPropertyArray());
>> -        }
>> -
>> -        public B setFollow(final boolean shouldFollow) {
>> -            this.follow = shouldFollow;
>> -            return asBuilder();
>> -        }
>> -
>> -        public B setTarget(final OutputStream aTarget) {
>> -            this.target = aTarget;
>> -            return asBuilder();
>> -        }
>> -    }
>> -
>> -    /**
>> -     * Holds data to pass to factory method.
>> -     */
>> -    private static class FactoryData {
>> -        private final Layout<? extends Serializable> layout;
>> -        private final String name;
>> -        private final OutputStream os;
>> -
>> -        /**
>> -         * Builds instances.
>> -         *
>> -         * @param os
>> -         *            The OutputStream.
>> -         * @param type
>> -         *            The name of the target.
>> -         * @param layout
>> -         *            A Serializable layout
>> -         */
>> -        public FactoryData(final OutputStream os, final String type, final 
>> Layout<? extends Serializable> layout) {
>> -            this.os = os;
>> -            this.name = type;
>> -            this.layout = layout;
>> -        }
>> -    }
>> -
>> -    /**
>> -     * Creates the manager.
>> -     */
>> -    private static class OutputStreamManagerFactory implements 
>> ManagerFactory<OutputStreamManager, FactoryData> {
>> -
>> -        /**
>> -         * Creates an OutputStreamManager.
>> -         *
>> -         * @param name
>> -         *            The name of the entity to manage.
>> -         * @param data
>> -         *            The data required to create the entity.
>> -         * @return The OutputStreamManager
>> -         */
>> -        @Override
>> -        public OutputStreamManager createManager(final String name, final 
>> FactoryData data) {
>> -            return new OutputStreamManager(data.os, data.name, data.layout, 
>> true);
>> -        }
>> -    }
>> -
>> -    private static OutputStreamManagerFactory factory = new 
>> OutputStreamManagerFactory();
>> -
>> -    /**
>> -     * Creates an OutputStream Appender.
>> -     *
>> -     * @param layout
>> -     *            The layout to use or null to get the default layout.
>> -     * @param filter
>> -     *            The Filter or null.
>> -     * @param target
>> -     *            an output stream.
>> -     * @param follow
>> -     *            If true will follow changes to the underlying output 
>> stream.
>> -     *            Use false as the default.
>> -     * @param name
>> -     *            The name of the Appender (required).
>> -     * @param ignore
>> -     *            If {@code "true"} (default) exceptions encountered when
>> -     *            appending events are logged; otherwise they are 
>> propagated to
>> -     *            the caller. Use true as the default.
>> -     * @return The ConsoleAppender.
>> -     */
>> -    @PluginFactory
>> -    public static OutputStreamAppender createAppender(Layout<? extends 
>> Serializable> layout, final Filter filter,
>> -            final OutputStream target, final String name, final boolean 
>> follow, final boolean ignore) {
>> -        if (name == null) {
>> -            LOGGER.error("No name provided for OutputStreamAppender");
>> -            return null;
>> -        }
>> -        if (layout == null) {
>> -            layout = PatternLayout.createDefaultLayout();
>> -        }
>> -        return new OutputStreamAppender(name, layout, filter, 
>> getManager(target, follow, layout), ignore, null);
>> -    }
>> -
>> -    private static OutputStreamManager getManager(final OutputStream 
>> target, final boolean follow,
>> -            final Layout<? extends Serializable> layout) {
>> -        final OutputStream os = new CloseShieldOutputStream(target);
>> -        final String managerName = target.getClass().getName() + "@" + 
>> Integer.toHexString(target.hashCode()) + '.'
>> -                + follow;
>> -        return OutputStreamManager.getManager(managerName, new 
>> FactoryData(os, managerName, layout), factory);
>> -    }
>> -
>> -    @PluginBuilderFactory
>> -    public static Builder newBuilder() {
>> -        return new Builder();
>> -    }
>> -
>> -    private OutputStreamAppender(final String name, final Layout<? extends 
>> Serializable> layout, final Filter filter,
>> -            final OutputStreamManager manager, final boolean 
>> ignoreExceptions, final Property[] properties) {
>> -        super(name, layout, filter, ignoreExceptions, true, properties, 
>> manager);
>> -    }
>> -
>> -}
>> +/*
>> + * Licensed to the Apache Software Foundation (ASF) under one or more
>> + * contributor license agreements. See the NOTICE file distributed with
>> + * this work for additional information regarding copyright ownership.
>> + * The ASF licenses this file to You under the Apache license, Version 2.0
>> + * (the "License"); you may not use this file except in compliance with
>> + * the License. You may obtain a copy of the License at
>> + *
>> + *      http://www.apache.org/licenses/LICENSE-2.0
>> + *
>> + * Unless required by applicable law or agreed to in writing, software
>> + * distributed under the License is distributed on an "AS IS" BASIS,
>> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>> + * See the license for the specific language governing permissions and
>> + * limitations under the license.
>> + */
>> +package org.apache.logging.log4j.core.appender;
>> +
>> +import java.io.OutputStream;
>> +import java.io.Serializable;
>> +
>> +import org.apache.logging.log4j.core.Appender;
>> +import org.apache.logging.log4j.core.Core;
>> +import org.apache.logging.log4j.core.Filter;
>> +import org.apache.logging.log4j.core.Layout;
>> +import org.apache.logging.log4j.core.config.Property;
>> +import org.apache.logging.log4j.core.config.plugins.Plugin;
>> +import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
>> +import org.apache.logging.log4j.core.config.plugins.PluginFactory;
>> +import org.apache.logging.log4j.core.layout.PatternLayout;
>> +import org.apache.logging.log4j.core.util.CloseShieldOutputStream;
>> +import org.apache.logging.log4j.core.util.NullOutputStream;
>> +
>> +/**
>> + * Appends log events to a given output stream using a layout.
>> + * <p>
>> + * Character encoding is handled within the Layout.
>> + * </p>
>> + */
>> +@Plugin(name = "OutputStream", category = Core.CATEGORY_NAME, elementType = 
>> Appender.ELEMENT_TYPE, printObject = true)
>> +public final class OutputStreamAppender extends 
>> AbstractOutputStreamAppender<OutputStreamManager> {
>> +
>> +    /**
>> +     * Builds OutputStreamAppender instances.
>> +     *
>> +     * @param <B>
>> +     *            The type to build.
>> +     */
>> +    public static class Builder<B extends Builder<B>> extends 
>> AbstractOutputStreamAppender.Builder<B>
>> +            implements 
>> org.apache.logging.log4j.core.util.Builder<OutputStreamAppender> {
>> +
>> +        private boolean follow = false;
>> +
>> +        private final boolean ignoreExceptions = true;
>> +
>> +        private OutputStream target;
>> +
>> +        @Override
>> +        public OutputStreamAppender build() {
>> +            final Layout<? extends Serializable> layout = getLayout();
>> +            final Layout<? extends Serializable> actualLayout = layout == 
>> null ? PatternLayout.createDefaultLayout()
>> +                    : layout;
>> +            return new OutputStreamAppender(getName(), actualLayout, 
>> getFilter(), getManager(target, follow, actualLayout),
>> +                    ignoreExceptions, getPropertyArray());
>> +        }
>> +
>> +        public B setFollow(final boolean shouldFollow) {
>> +            this.follow = shouldFollow;
>> +            return asBuilder();
>> +        }
>> +
>> +        public B setTarget(final OutputStream aTarget) {
>> +            this.target = aTarget;
>> +            return asBuilder();
>> +        }
>> +    }
>> +
>> +    /**
>> +     * Holds data to pass to factory method.
>> +     */
>> +    private static class FactoryData {
>> +        private final Layout<? extends Serializable> layout;
>> +        private final String name;
>> +        private final OutputStream os;
>> +
>> +        /**
>> +         * Builds instances.
>> +         *
>> +         * @param os
>> +         *            The OutputStream.
>> +         * @param type
>> +         *            The name of the target.
>> +         * @param layout
>> +         *            A Serializable layout
>> +         */
>> +        public FactoryData(final OutputStream os, final String type, final 
>> Layout<? extends Serializable> layout) {
>> +            this.os = os;
>> +            this.name = type;
>> +            this.layout = layout;
>> +        }
>> +    }
>> +
>> +    /**
>> +     * Creates the manager.
>> +     */
>> +    private static class OutputStreamManagerFactory implements 
>> ManagerFactory<OutputStreamManager, FactoryData> {
>> +
>> +        /**
>> +         * Creates an OutputStreamManager.
>> +         *
>> +         * @param name
>> +         *            The name of the entity to manage.
>> +         * @param data
>> +         *            The data required to create the entity.
>> +         * @return The OutputStreamManager
>> +         */
>> +        @Override
>> +        public OutputStreamManager createManager(final String name, final 
>> FactoryData data) {
>> +            return new OutputStreamManager(data.os, data.name, data.layout, 
>> true);
>> +        }
>> +    }
>> +
>> +    private static OutputStreamManagerFactory factory = new 
>> OutputStreamManagerFactory();
>> +
>> +    /**
>> +     * Creates an OutputStream Appender.
>> +     *
>> +     * @param layout
>> +     *            The layout to use or null to get the default layout.
>> +     * @param filter
>> +     *            The Filter or null.
>> +     * @param target
>> +     *            an output stream.
>> +     * @param follow
>> +     *            If true will follow changes to the underlying output 
>> stream.
>> +     *            Use false as the default.
>> +     * @param name
>> +     *            The name of the Appender (required).
>> +     * @param ignore
>> +     *            If {@code "true"} (default) exceptions encountered when
>> +     *            appending events are logged; otherwise they are 
>> propagated to
>> +     *            the caller. Use true as the default.
>> +     * @return The ConsoleAppender.
>> +     */
>> +    @PluginFactory
>> +    public static OutputStreamAppender createAppender(Layout<? extends 
>> Serializable> layout, final Filter filter,
>> +            final OutputStream target, final String name, final boolean 
>> follow, final boolean ignore) {
>> +        if (name == null) {
>> +            LOGGER.error("No name provided for OutputStreamAppender");
>> +            return null;
>> +        }
>> +        if (layout == null) {
>> +            layout = PatternLayout.createDefaultLayout();
>> +        }
>> +        return new OutputStreamAppender(name, layout, filter, 
>> getManager(target, follow, layout), ignore, null);
>> +    }
>> +
>> +    private static OutputStreamManager getManager(final OutputStream 
>> target, final boolean follow,
>> +            final Layout<? extends Serializable> layout) {
>> +        final OutputStream os = target == null ? 
>> NullOutputStream.getInstance() : new CloseShieldOutputStream(target);
>> +        final OutputStream targetRef = target == null ? os : target;
>> +        final String managerName = targetRef.getClass().getName() + "@" + 
>> Integer.toHexString(targetRef.hashCode())
>> +                + '.' + follow;
>> +        return OutputStreamManager.getManager(managerName, new 
>> FactoryData(os, managerName, layout), factory);
>> +    }
>> +
>> +    @PluginBuilderFactory
>> +    public static <B extends Builder<B>> B newBuilder() {
>> +        return new Builder<B>().asBuilder();
>> +    }
>> +
>> +    private OutputStreamAppender(final String name, final Layout<? extends 
>> Serializable> layout, final Filter filter,
>> +            final OutputStreamManager manager, final boolean 
>> ignoreExceptions, final Property[] properties) {
>> +        super(name, layout, filter, ignoreExceptions, true, properties, 
>> manager);
>> +    }
>> +
>> +}
>> diff --git 
>> a/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/OutputStreamAppenderTest.java
>>  
>> b/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/OutputStreamAppenderTest.java
>> index 00af014..c1448bf 100644
>> --- 
>> a/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/OutputStreamAppenderTest.java
>> +++ 
>> b/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/OutputStreamAppenderTest.java
>> @@ -1,108 +1,122 @@
>> -/*
>> - * Licensed to the Apache Software Foundation (ASF) under one or more
>> - * contributor license agreements. See the NOTICE file distributed with
>> - * this work for additional information regarding copyright ownership.
>> - * The ASF licenses this file to You under the Apache license, Version 2.0
>> - * (the "License"); you may not use this file except in compliance with
>> - * the License. You may obtain a copy of the License at
>> - *
>> - *      http://www.apache.org/licenses/LICENSE-2.0
>> - *
>> - * Unless required by applicable law or agreed to in writing, software
>> - * distributed under the License is distributed on an "AS IS" BASIS,
>> - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>> - * See the license for the specific language governing permissions and
>> - * limitations under the license.
>> - */
>> -package org.apache.logging.log4j.core.appender;
>> -
>> -import java.io.BufferedOutputStream;
>> -import java.io.ByteArrayOutputStream;
>> -import java.io.OutputStream;
>> -import java.sql.SQLException;
>> -
>> -import org.apache.logging.log4j.LogManager;
>> -import org.apache.logging.log4j.Logger;
>> -import org.apache.logging.log4j.core.Appender;
>> -import org.apache.logging.log4j.core.LoggerContext;
>> -import org.apache.logging.log4j.core.config.Configuration;
>> -import org.apache.logging.log4j.core.layout.PatternLayout;
>> -import org.junit.Assert;
>> -import org.junit.Rule;
>> -import org.junit.Test;
>> -import org.junit.rules.TestName;
>> -
>> -/**
>> - * Tests {@link OutputStreamAppender}.
>> - */
>> -public class OutputStreamAppenderTest {
>> -
>> -    private static final String TEST_MSG = "FOO ERROR";
>> -
>> -    @Rule
>> -    public TestName testName = new TestName();
>> -
>> -    private String getName(final OutputStream out) {
>> -        return out.getClass().getSimpleName() + "." + 
>> testName.getMethodName();
>> -    }
>> -
>> -    /**
>> -     * Tests that you can add an output stream appender dynamically.
>> -     */
>> -    private void addAppender(final OutputStream outputStream, final String 
>> outputStreamName) {
>> -        final LoggerContext context = LoggerContext.getContext(false);
>> -        final Configuration config = context.getConfiguration();
>> -        final PatternLayout layout = 
>> PatternLayout.createDefaultLayout(config);
>> -        final Appender appender = 
>> OutputStreamAppender.createAppender(layout, null, outputStream, 
>> outputStreamName, false, true);
>> -        appender.start();
>> -        config.addAppender(appender);
>> -        ConfigurationTestUtils.updateLoggers(appender, config);
>> -    }
>> -
>> -    @Test
>> -    public void testOutputStreamAppenderToBufferedOutputStream() throws 
>> SQLException {
>> -        final ByteArrayOutputStream out = new ByteArrayOutputStream();
>> -        final OutputStream os = new BufferedOutputStream(out);
>> -        final String name = getName(out);
>> -        final Logger logger = LogManager.getLogger(name);
>> -        addAppender(os, name);
>> -        logger.error(TEST_MSG);
>> -        final String actual = out.toString();
>> -        Assert.assertTrue(actual, actual.contains(TEST_MSG));
>> -    }
>> -
>> -    @Test
>> -    public void testOutputStreamAppenderToByteArrayOutputStream() throws 
>> SQLException {
>> -        final OutputStream out = new ByteArrayOutputStream();
>> -        final String name = getName(out);
>> -        final Logger logger = LogManager.getLogger(name);
>> -        addAppender(out, name);
>> -        logger.error(TEST_MSG);
>> -        final String actual = out.toString();
>> -        Assert.assertTrue(actual, actual.contains(TEST_MSG));
>> -    }
>> -
>> -    /**
>> -     * Validates that the code pattern we use to add an appender on the fly
>> -     * works with a basic appender that is not the new OutputStream 
>> appender or
>> -     * new Writer appender.
>> -     */
>> -    @Test
>> -    public void testUpdatePatternWithFileAppender() {
>> -        final LoggerContext ctx = (LoggerContext) 
>> LogManager.getContext(false);
>> -        final Configuration config = ctx.getConfiguration();
>> -        // @formatter:off
>> -        final Appender appender = FileAppender.newBuilder()
>> -        .withFileName("target/" + getClass().getName() + ".log")
>> -        .withAppend(false).setName("File").setIgnoreExceptions(false)
>> -            .withBufferedIo(false)
>> -            .withBufferSize(4000)
>> -            .setConfiguration(config)
>> -            .build();
>> -        // @formatter:on
>> -        appender.start();
>> -        config.addAppender(appender);
>> -        ConfigurationTestUtils.updateLoggers(appender, config);
>> -        LogManager.getLogger().error("FOO MSG");
>> -    }
>> -}
>> +/*
>> + * Licensed to the Apache Software Foundation (ASF) under one or more
>> + * contributor license agreements. See the NOTICE file distributed with
>> + * this work for additional information regarding copyright ownership.
>> + * The ASF licenses this file to You under the Apache license, Version 2.0
>> + * (the "License"); you may not use this file except in compliance with
>> + * the License. You may obtain a copy of the License at
>> + *
>> + *      http://www.apache.org/licenses/LICENSE-2.0
>> + *
>> + * Unless required by applicable law or agreed to in writing, software
>> + * distributed under the License is distributed on an "AS IS" BASIS,
>> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>> + * See the license for the specific language governing permissions and
>> + * limitations under the license.
>> + */
>> +package org.apache.logging.log4j.core.appender;
>> +
>> +import java.io.BufferedOutputStream;
>> +import java.io.ByteArrayOutputStream;
>> +import java.io.OutputStream;
>> +import java.sql.SQLException;
>> +
>> +import org.apache.logging.log4j.LogManager;
>> +import org.apache.logging.log4j.Logger;
>> +import org.apache.logging.log4j.core.Appender;
>> +import org.apache.logging.log4j.core.LoggerContext;
>> +import org.apache.logging.log4j.core.config.Configuration;
>> +import org.apache.logging.log4j.core.filter.NoMarkerFilter;
>> +import org.apache.logging.log4j.core.layout.PatternLayout;
>> +import org.junit.Assert;
>> +import org.junit.Rule;
>> +import org.junit.Test;
>> +import org.junit.rules.TestName;
>> +
>> +/**
>> + * Tests {@link OutputStreamAppender}.
>> + */
>> +public class OutputStreamAppenderTest {
>> +
>> +    private static final String TEST_MSG = "FOO ERROR";
>> +
>> +    @Rule
>> +    public TestName testName = new TestName();
>> +
>> +    private String getName(final OutputStream out) {
>> +        return out.getClass().getSimpleName() + "." + 
>> testName.getMethodName();
>> +    }
>> +
>> +    /**
>> +     * Tests that you can add an output stream appender dynamically.
>> +     */
>> +    private void addAppender(final OutputStream outputStream, final String 
>> outputStreamName) {
>> +        final LoggerContext context = LoggerContext.getContext(false);
>> +        final Configuration config = context.getConfiguration();
>> +        final PatternLayout layout = 
>> PatternLayout.createDefaultLayout(config);
>> +        final Appender appender = 
>> OutputStreamAppender.createAppender(layout, null, outputStream, 
>> outputStreamName, false, true);
>> +        appender.start();
>> +        config.addAppender(appender);
>> +        ConfigurationTestUtils.updateLoggers(appender, config);
>> +    }
>> +
>> +    @Test
>> +    public void testBuildFilter() {
>> +        final NoMarkerFilter filter = NoMarkerFilter.newBuilder().build();
>> +        // @formatter:off
>> +        final OutputStreamAppender.Builder builder = 
>> OutputStreamAppender.newBuilder()
>> +                .setName("test")
>> +                .setFilter(filter);
>> +        // @formatter:on
>> +        Assert.assertEquals(filter, builder.getFilter());
>> +        final OutputStreamAppender appender = builder.build();
>> +        Assert.assertEquals(filter, appender.getFilter());
>> +    }
>> +    
>> +    @Test
>> +    public void testOutputStreamAppenderToBufferedOutputStream() throws 
>> SQLException {
>> +        final ByteArrayOutputStream out = new ByteArrayOutputStream();
>> +        final OutputStream os = new BufferedOutputStream(out);
>> +        final String name = getName(out);
>> +        final Logger logger = LogManager.getLogger(name);
>> +        addAppender(os, name);
>> +        logger.error(TEST_MSG);
>> +        final String actual = out.toString();
>> +        Assert.assertTrue(actual, actual.contains(TEST_MSG));
>> +    }
>> +
>> +    @Test
>> +    public void testOutputStreamAppenderToByteArrayOutputStream() throws 
>> SQLException {
>> +        final OutputStream out = new ByteArrayOutputStream();
>> +        final String name = getName(out);
>> +        final Logger logger = LogManager.getLogger(name);
>> +        addAppender(out, name);
>> +        logger.error(TEST_MSG);
>> +        final String actual = out.toString();
>> +        Assert.assertTrue(actual, actual.contains(TEST_MSG));
>> +    }
>> +
>> +    /**
>> +     * Validates that the code pattern we use to add an appender on the fly
>> +     * works with a basic appender that is not the new OutputStream 
>> appender or
>> +     * new Writer appender.
>> +     */
>> +    @Test
>> +    public void testUpdatePatternWithFileAppender() {
>> +        final LoggerContext ctx = (LoggerContext) 
>> LogManager.getContext(false);
>> +        final Configuration config = ctx.getConfiguration();
>> +        // @formatter:off
>> +        final Appender appender = FileAppender.newBuilder()
>> +        .withFileName("target/" + getClass().getName() + ".log")
>> +        .withAppend(false).setName("File").setIgnoreExceptions(false)
>> +            .withBufferedIo(false)
>> +            .withBufferSize(4000)
>> +            .setConfiguration(config)
>> +            .build();
>> +        // @formatter:on
>> +        appender.start();
>> +        config.addAppender(appender);
>> +        ConfigurationTestUtils.updateLoggers(appender, config);
>> +        LogManager.getLogger().error("FOO MSG");
>> +    }
>> +}
>> diff --git a/src/changes/changes.xml b/src/changes/changes.xml
>> index c3483bd..a9ec160 100644
>> --- a/src/changes/changes.xml
>> +++ b/src/changes/changes.xml
>> @@ -33,6 +33,9 @@
>>      <action issue="LOG4J2-2639" dev="rgoers" type="add">
>>        Add builder pattern to Logger interface.
>>      </action>
>> +      <action issue="LOG4J2-2673" dev="ggregory" type="fix" due-to="Yuichi 
>> Sugimura, Gary Gregory">
>> +        OutputStreamAppender.Builder ignores setFilter().
>> +      </action>
>>    </release>
>>    <release version="2.12.1" date="2019-08-06" description="GA Release 
>> 2.12.1">
>>      <action issue="LOG4J2-1946" dev="rgoers" type="fix" due-to="Igor 
>> Perelyotov">
>> 
>> 
> 
> 
> 


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