diff --git a/pom.xml b/pom.xml
index 80413c5b..05fa7513 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,13 +71,13 @@
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-core</artifactId>
-            <version>1.17.3</version>
+            <version>1.20</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-generator-annprocess</artifactId>
-            <version>1.17.3</version>
+            <version>1.20</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/src/main/java/com/jsoniter/IterImplString.java b/src/main/java/com/jsoniter/IterImplString.java
index 573cd2d1..c6a0b452 100644
--- a/src/main/java/com/jsoniter/IterImplString.java
+++ b/src/main/java/com/jsoniter/IterImplString.java
@@ -59,7 +59,7 @@ public static final String readString(JsonIterator iter) throws IOException {
                 IterImpl.skipFixedBytes(iter, 3);
                 return null;
             }
-            iter.reportError("readString", "expect string or null, but " + (char) c);
+            throw iter.reportError("readString", "expect string or null, but " + (char) c);
         }
         int j = parse(iter);
         return new String(iter.reusableChars, 0, j);
diff --git a/src/test/java/com/jsoniter/BenchGson.java b/src/test/java/com/jsoniter/BenchGson.java
index b4876158..67747b6c 100644
--- a/src/test/java/com/jsoniter/BenchGson.java
+++ b/src/test/java/com/jsoniter/BenchGson.java
@@ -8,7 +8,6 @@
 import com.jsoniter.extra.GsonCompatibilityMode;
 import com.jsoniter.spi.DecodingMode;
 import com.jsoniter.spi.JsoniterSpi;
-import org.junit.Test;
 import org.openjdk.jmh.Main;
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.infra.BenchmarkParams;
@@ -42,7 +41,7 @@ public void benchSetup(BenchmarkParams params) {
 
     @Benchmark
     public void gsonDecoder(Blackhole bh) throws IOException {
-        FileInputStream stream = new FileInputStream("/tmp/tweets.json");
+        FileInputStream stream = new FileInputStream("./src/test/tweets.json");
         InputStreamReader reader = new InputStreamReader(stream);
         try {
             bh.consume(gson.fromJson(reader, new TypeReference<List<Tweet>>() {
@@ -55,7 +54,7 @@ public void gsonDecoder(Blackhole bh) throws IOException {
 
     @Benchmark
     public void jsoniterReflectionDecoder(Blackhole bh) throws IOException {
-        FileInputStream stream = new FileInputStream("/tmp/tweets.json");
+        FileInputStream stream = new FileInputStream("./src/test/tweets.json");
         JsonIterator iter = JsonIteratorPool.borrowJsonIterator();
         try {
             iter.reset(stream);