diff --git a/src/cli/tools/java/index.ts b/src/cli/tools/java/index.ts
index 95c957ded..4a89996d7 100644
--- a/src/cli/tools/java/index.ts
+++ b/src/cli/tools/java/index.ts
@@ -100,7 +100,7 @@ export class JavaPrepareService extends BasePrepareService {
     await createMavenSettings(this.pathSvc);
     await createGradleSettings(this.pathSvc);
 
-    if (!(await this.pathSvc.toolEnvExists(this.name))) {
+    if (!(await this.pathSvc.toolEnvExists('gradle'))) {
       // fix: Failed to load native library 'libnative-platform.so' for Linux amd64.
       await this.pathSvc.exportToolEnv(
         'gradle',
diff --git a/test/java/Dockerfile b/test/java/Dockerfile
index 123418283..0934e97f9 100644
--- a/test/java/Dockerfile
+++ b/test/java/Dockerfile
@@ -226,6 +226,25 @@ RUN install-tool gradle
 RUN install-tool maven
 
 
+#--------------------------------------
+# test: readonly
+#--------------------------------------
+FROM base AS test-readonly
+
+RUN prepare-tool java
+
+# fake reaonly
+RUN set -ex; \
+  chmod -R g-w /opt/containerbase; \
+  chown -R root /opt/containerbase; \
+  rm -rf /tmp/containerbase; \
+  true
+
+USER 12021
+
+RUN ls -la /tmp
+RUN containerbase-cli init tool java
+
 #--------------------------------------
 # final
 #--------------------------------------
@@ -238,3 +257,4 @@ COPY --from=test-gradle-d /.dummy /.dummy
 COPY --from=test-maven-a /.dummy /.dummy
 COPY --from=test-others /.dummy /.dummy
 COPY --from=test-latest-version /.dummy /.dummy
+COPY --from=test-readonly /.dummy /.dummy
diff --git a/tools/test.js b/tools/test.js
index 1e4e3a52a..1e55f5032 100644
--- a/tools/test.js
+++ b/tools/test.js
@@ -33,7 +33,7 @@ class TestCommand extends Command {
     if (this.debug) {
       shell.echo('Debug mode enabled');
       env.CONTAINERBASE_DEBUG = '1';
-      env.BUILDKIT_PROGRESS = '1';
+      env.BUILDKIT_PROGRESS = 'plain';
     }
 
     if (this.logLevel) {