diff --git a/projects/opencensus-java/.gitignore b/projects/opencensus-java/.gitignore
new file mode 100644
index 000000000000..dcf5c8528871
--- /dev/null
+++ b/projects/opencensus-java/.gitignore
@@ -0,0 +1,4 @@
+project-parent/opencensus-java
+project-parent/fuzz-targets/target
+project-parent/fuzz-targets/src/test/resources
+project-parent/fuzz-targets/pom.xml.versionsBackup
\ No newline at end of file
diff --git a/projects/opencensus-java/Dockerfile b/projects/opencensus-java/Dockerfile
new file mode 100644
index 000000000000..0f524876c870
--- /dev/null
+++ b/projects/opencensus-java/Dockerfile
@@ -0,0 +1,34 @@
+# Copyright 2023 Google LLC
+#
+# Licensed 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder-jvm
+
+RUN curl -L https://archive.apache.org/dist/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.zip -o maven.zip && \
+ unzip maven.zip -d $SRC/maven && \
+ rm -rf maven.zip
+
+ENV MVN $SRC/maven/apache-maven-3.6.3/bin/mvn
+
+# if not set python infra helper cannot be used for local testing
+
+COPY project-parent $SRC/project-parent/
+
+RUN rm -rf $SRC/project-parent/opencensus-java
+RUN apt update && apt install -y openjdk-8-jdk
+RUN git clone --depth 1 https://github.com/census-instrumentation/opencensus-java/ $SRC/project-parent/opencensus-java
+
+COPY build.sh $SRC/
+WORKDIR $SRC/
\ No newline at end of file
diff --git a/projects/opencensus-java/build.sh b/projects/opencensus-java/build.sh
new file mode 100755
index 000000000000..57dbf67a2af8
--- /dev/null
+++ b/projects/opencensus-java/build.sh
@@ -0,0 +1,125 @@
+#!/bin/bash -eu
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+PROJECT=opencensus-java
+PROJECT_GROUP_ID=io.opencensus
+PROJECT_ARTIFACT_ID=opencensus-api
+MAIN_REPOSITORY=https://github.com/census-instrumentation/opencensus-java/
+MAVEN_ARGS="-Djavac.src.version=8 -Djavac.target.version=8 -Denforcer.skip=true -DskipTests"
+GRADLE_ARGS="-x javadoc -x test"
+
+function set_project_version_in_fuzz_targets_dependency {
+ PROJECT_VERSION=$(cd $PROJECT && $MVN org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate -Dexpression=project.version -q -DforceStdout)
+ # set dependency project version in fuzz-targets
+ (cd fuzz-targets && $MVN versions:use-dep-version -Dincludes=$PROJECT_GROUP_ID:$PROJECT_ARTIFACT_ID -DdepVersion=$PROJECT_VERSION -DforceVersion=true)
+}
+
+cd project-parent
+
+pushd $PROJECT
+ export OPENCENSUS_JAVA_VERSION=$(awk '$1 ~ /version/ {print $3}' build.gradle | sed 's/"//g')
+popd
+
+# LOCAL_DEV env variable need to be set in local development env
+if [[ -v LOCAL_DEV ]]; then
+ MVN=mvn
+
+ # checkout latest project version
+ git -C $PROJECT pull || git clone $MAIN_REPOSITORY $PROJECT
+
+ # set_project_version_in_fuzz_targets_dependency
+
+ #install
+ # mvn -pl $PROJECT install -DskipTests
+ (cd $PROJECT && ./gradlew build $GRADLE_ARGS)
+ mvn -pl fuzz-targets install
+
+else
+ # Move seed corpus and dictionary.
+ # mv $SRC/{*.zip,*.dict} $OUT
+
+ export JAVA_HOME="$OUT/open-jdk-8"
+ mkdir -p $JAVA_HOME
+ rsync -aL --exclude=*.zip "/usr/lib/jvm/java-8-openjdk-amd64/" "$JAVA_HOME"
+
+ (cd $PROJECT && ./gradlew build $GRADLE_ARGS)
+ cp $SRC/project-parent/opencensus-java/api/build/libs/opencensus-api-$OPENCENSUS_JAVA_VERSION.jar $OUT/opencensus-api.jar
+ cp $SRC/project-parent/opencensus-java/impl/build/libs/opencensus-impl-$OPENCENSUS_JAVA_VERSION.jar $OUT/opencensus-impl.jar
+ cp $SRC/project-parent/opencensus-java/impl_core/build/libs/opencensus-impl-core-$OPENCENSUS_JAVA_VERSION.jar $OUT/opencensus-impl-core.jar
+ cp $SRC/project-parent/opencensus-java/exporters/trace/util/build/libs/opencensus-exporter-trace-util-$OPENCENSUS_JAVA_VERSION.jar $OUT/opencensus-exporter-trace-util.jar
+ cp $SRC/project-parent/opencensus-java/exporters/trace/ocagent/build/libs/opencensus-exporter-trace-ocagent-$OPENCENSUS_JAVA_VERSION.jar $OUT/opencensus-exporter-trace-ocagent.jar
+ cp $SRC/project-parent/opencensus-java/contrib/resource_util/build/libs/opencensus-contrib-resource-util-$OPENCENSUS_JAVA_VERSION.jar $OUT/opencensus-contrib-resource-util.jar
+ cp $SRC/project-parent/opencensus-java/exporters/trace/elasticsearch/build/libs/opencensus-exporter-trace-elasticsearch-$OPENCENSUS_JAVA_VERSION.jar $OUT/opencensus-exporter-trace-elasticsearch.jar
+
+ ALL_JARS="opencensus-api.jar opencensus-impl.jar opencensus-impl-core.jar opencensus-exporter-trace-util.jar opencensus-contrib-resource-util.jar opencensus-exporter-trace-elasticsearch.jar"
+
+ for fuzzer in $(find $SRC/project-parent/fuzz-targets -name '*Fuzzer.java' ! -name JsonConversionFuzzer.java); do
+ $MVN -pl fuzz-targets install -Dmaven.repo.local=$OUT/m2
+ $MVN -pl fuzz-targets dependency:build-classpath -Dmdep.outputFile=cp.txt -Dmaven.repo.local=$OUT/m2
+ cp -r $SRC/project-parent/fuzz-targets/target/test-classes/ $OUT/
+ RUNTIME_CLASSPATH_ABSOLUTE="$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$(cat fuzz-targets/cp.txt):$OUT/test-classes"
+ RUNTIME_CLASSPATH_RELATIVE=$(echo $RUNTIME_CLASSPATH_ABSOLUTE | sed "s|$OUT|.|g")
+
+ fuzzer_basename=$(basename -s .java $fuzzer)
+
+ # Create an execution wrapper for every fuzztarget
+ echo "#!/bin/bash
+ # LLVMFuzzerTestOneInput comment for fuzzer detection by infrastructure.
+ if [[ \"\$@\" =~ (^| )-runs=[0-9]+($| ) ]]; then
+ mem_settings='-Xmx1900m -Xss900k'
+ else
+ mem_settings='-Xmx2048m -Xss1024k'
+ fi
+ JAVA_HOME=\"\$this_dir/open-jdk-8/\" \
+ ./open-jdk-8/bin/java -cp $RUNTIME_CLASSPATH_RELATIVE \
+ \$mem_settings \
+ com.code_intelligence.jazzer.Jazzer \
+ --target_class=com.example.$fuzzer_basename \
+ \$@" > $OUT/$fuzzer_basename
+ chmod u+x $OUT/$fuzzer_basename
+ done
+
+
+ PACKAGE_NAME="io.opencensus.exporter.trace.elasticsearch"
+ PACKAGE_DIR=$SRC/project-parent/fuzz-targets/src/test/java/$(echo $PACKAGE_NAME | sed 's/\./\//g')
+ mkdir -p $PACKAGE_DIR
+ mv $SRC/project-parent/fuzz-targets/src/test/java/com/example/JsonConversionFuzzer.java $PACKAGE_DIR
+
+ $MVN -pl fuzz-targets install -Dmaven.repo.local=$OUT/m2
+ $MVN -pl fuzz-targets dependency:build-classpath -Dmdep.outputFile=cp.txt -Dmaven.repo.local=$OUT/m2
+ cp -r $SRC/project-parent/fuzz-targets/target/test-classes/ $OUT/
+ RUNTIME_CLASSPATH_ABSOLUTE="$(cat fuzz-targets/cp.txt):$OUT/test-classes:$PACKAGE_NAME:$(echo $ALL_JARS | xargs printf -- "$OUT/%s:")."
+ RUNTIME_CLASSPATH_RELATIVE=$(echo $RUNTIME_CLASSPATH_ABSOLUTE | sed "s|$OUT|.|g")
+
+ echo "#!/bin/bash
+ # LLVMFuzzerTestOneInput comment for fuzzer detection by infrastructure.
+ if [[ \"\$@\" =~ (^| )-runs=[0-9]+($| ) ]]; then
+ mem_settings='-Xmx1900m -Xss900k'
+ else
+ mem_settings='-Xmx2048m -Xss1024k'
+ fi
+ JAVA_HOME=\"\$this_dir/open-jdk-8/\" \
+ ./open-jdk-8/bin/java -cp $RUNTIME_CLASSPATH_RELATIVE \
+ \$mem_settings \
+ com.code_intelligence.jazzer.Jazzer \
+ --target_class=$PACKAGE_NAME.JsonConversionFuzzer \
+ \$@" > $OUT/JsonConversionFuzzer
+ chmod u+x $OUT/JsonConversionFuzzer
+
+ rm -rf $PACKAGE_DIR
+
+fi
\ No newline at end of file
diff --git a/projects/opencensus-java/project-parent/fuzz-targets/pom.xml b/projects/opencensus-java/project-parent/fuzz-targets/pom.xml
new file mode 100644
index 000000000000..e9bb2f6cb07c
--- /dev/null
+++ b/projects/opencensus-java/project-parent/fuzz-targets/pom.xml
@@ -0,0 +1,134 @@
+
+
+
+ 4.0.0
+ com.fuzzer
+ fuzz-targets
+ 0.0.1-SNAPSHOT
+ fuzz
+ fuzz
+
+
+ 1.8
+ 1.8
+ 1.8
+
+
+
+
+
+ com.code-intelligence
+ jazzer-junit
+ 0.16.0
+
+
+
+ org.junit.platform
+ junit-platform-launcher
+ 1.9.2
+
+
+
+ org.junit.jupiter
+ junit-jupiter-engine
+ 5.9.0
+ test
+
+
+
+ io.opencensus
+ opencensus-api
+ ${env.OPENCENSUS_JAVA_VERSION}
+ system
+ ${basedir}/../opencensus-java/api/build/libs/opencensus-api-0.32.0-SNAPSHOT.jar
+
+
+
+ io.opencensus
+ opencensus-impl
+ ${env.OPENCENSUS_JAVA_VERSION}
+ system
+ ${basedir}/../opencensus-java/impl/build/libs/opencensus-impl-0.32.0-SNAPSHOT.jar
+
+
+
+ io.opencensus
+ opencensus-impl-core
+ ${env.OPENCENSUS_JAVA_VERSION}
+ system
+ ${basedir}/../opencensus-java/impl_core/build/libs/opencensus-impl-core-0.32.0-SNAPSHOT.jar
+
+
+
+ io.opencensus
+ opencensus-exporter-trace-util
+ ${env.OPENCENSUS_JAVA_VERSION}
+ system
+ ${basedir}/../opencensus-java/exporters/trace/util/build/libs/opencensus-exporter-trace-util-0.32.0-SNAPSHOT.jar
+
+
+
+ io.opencensus
+ opencensus-contrib-resource-util
+ ${env.OPENCENSUS_JAVA_VERSION}
+ system
+ ${basedir}/../opencensus-java/contrib/resource_util/build/libs/opencensus-contrib-resource-util-0.32.0-SNAPSHOT.jar
+
+
+
+ io.opencensus
+ opencensus-exporter-trace-elasticsearch
+ ${env.OPENCENSUS_JAVA_VERSION}
+ system
+ ${basedir}/../opencensus-java/exporters/trace/elasticsearch/build/libs/opencensus-exporter-trace-elasticsearch-${env.OPENCENSUS_JAVA_VERSION}.jar
+
+
+
+ io.opencensus
+ opencensus-proto
+ 0.2.0
+ runtime
+
+
+
+ com.google.guava
+ guava
+ 31.1-jre
+
+
+
+ com.google.protobuf
+ protobuf-java
+ 4.0.0-rc-2
+
+
+
+ com.lmax
+ disruptor
+ 3.4.4
+
+
+
+ io.grpc
+ grpc-context
+ 1.54.0
+
+
+
+
+
+
+
+ maven-surefire-plugin
+ 2.22.2
+
+
+
+
+ ${project.basedir}/src/test/resources
+
+
+
+
+
\ No newline at end of file
diff --git a/projects/opencensus-java/project-parent/fuzz-targets/src/test/java/com/example/JsonConversionFuzzer.java b/projects/opencensus-java/project-parent/fuzz-targets/src/test/java/com/example/JsonConversionFuzzer.java
new file mode 100644
index 000000000000..45a751e2ed1f
--- /dev/null
+++ b/projects/opencensus-java/project-parent/fuzz-targets/src/test/java/com/example/JsonConversionFuzzer.java
@@ -0,0 +1,100 @@
+// Copyright 2023 Google LLC
+//
+// Licensed 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 io.opencensus.exporter.trace.elasticsearch;
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+import com.code_intelligence.jazzer.junit.FuzzTest;
+
+import io.opencensus.exporter.trace.elasticsearch.JsonConversionUtils;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import io.opencensus.common.Timestamp;
+import io.opencensus.trace.Annotation;
+import io.opencensus.trace.AttributeValue;
+import io.opencensus.trace.Link;
+import io.opencensus.trace.MessageEvent;
+import io.opencensus.trace.MessageEvent.Type;
+import io.opencensus.trace.SpanContext;
+import io.opencensus.trace.SpanId;
+import io.opencensus.trace.Status;
+import io.opencensus.trace.TraceId;
+import io.opencensus.trace.TraceOptions;
+import io.opencensus.trace.Tracestate;
+import io.opencensus.trace.export.SpanData;
+import io.opencensus.trace.export.SpanData.Attributes;
+import io.opencensus.trace.export.SpanData.Links;
+import io.opencensus.trace.export.SpanData.TimedEvent;
+import io.opencensus.trace.export.SpanData.TimedEvents;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+public class JsonConversionFuzzer {
+ static List spanDataList;
+
+ @FuzzTest
+ void myFuzzTest(FuzzedDataProvider data) {
+ spanDataList = new ArrayList();
+
+ String name = data.consumeString(200);
+ String traceId = data.consumeString(200);
+ String spanId = data.consumeString(200);
+ String parentSpanId = data.consumeString(200);
+ String spanName = data.consumeString(200);
+ String key = data.consumeString(200);
+ String value = data.consumeString(200);
+ boolean isSampled = data.consumeBoolean();
+ boolean hasRemoteParent = data.consumeBoolean();
+
+ try {
+ List> messageEvents =
+ ImmutableList.of(
+ TimedEvent.create(
+ Timestamp.create(data.consumeInt(), data.consumeInt()),
+ MessageEvent.builder(Type.RECEIVED, 0).setCompressedMessageSize(data.consumeInt()).build()),
+ TimedEvent.create(
+ Timestamp.create(data.consumeInt(), data.consumeInt()),
+ MessageEvent.builder(Type.SENT, 0).setCompressedMessageSize(data.consumeInt()).build()));
+
+ SpanData spanData =
+ SpanData.create(
+ SpanContext.create(
+ TraceId.fromLowerBase16(traceId),
+ SpanId.fromLowerBase16(spanId),
+ TraceOptions.builder().setIsSampled(isSampled).build(),
+ Tracestate.builder().build()),
+ SpanId.fromLowerBase16(parentSpanId),
+ hasRemoteParent,
+ spanName,
+ null,
+ Timestamp.create(data.consumeInt(), data.consumeInt()),
+ Attributes.create(ImmutableMap.of(key, AttributeValue.stringAttributeValue(value)), 0),
+ TimedEvents.create(Collections.emptyList(), 0),
+ TimedEvents.create(messageEvents, 0),
+ Links.create(Collections.emptyList(), 0),
+ null,
+ Status.OK,
+ Timestamp.create(data.consumeInt(), data.consumeInt()));
+
+ spanDataList.add(spanData);
+ List json = JsonConversionUtils.convertToJson(name, spanDataList);
+ } catch (IllegalArgumentException e) {
+ }
+ }
+}
diff --git a/projects/opencensus-java/project-parent/pom.xml b/projects/opencensus-java/project-parent/pom.xml
new file mode 100644
index 000000000000..32c597e30e43
--- /dev/null
+++ b/projects/opencensus-java/project-parent/pom.xml
@@ -0,0 +1,16 @@
+
+
+ 4.0.0
+
+ com.fuzzer
+ project-parent
+ 0.1.0
+ pom
+
+
+
+ fuzz-targets
+
+
+
\ No newline at end of file
diff --git a/projects/opencensus-java/project.yaml b/projects/opencensus-java/project.yaml
new file mode 100644
index 000000000000..92e688776e59
--- /dev/null
+++ b/projects/opencensus-java/project.yaml
@@ -0,0 +1,15 @@
+homepage: "https://opencensus.io/"
+language: jvm
+fuzzing_engines:
+ - libfuzzer
+main_repo: "https://github.com/census-instrumentation/opencensus-java/"
+sanitizers:
+ - address
+vendor_ccs:
+ - "wagner@code-intelligence.com"
+ - "yakdan@code-intelligence.com"
+ - "glendowne@code-intelligence.com"
+ - "patrice.salathe@code-intelligence.com"
+ - "hlin@code-intelligence.com"
+ - "bug-disclosure@code-intelligence.com"
+run_tests: False
\ No newline at end of file