diff --git a/src/replica/mutation.h b/src/replica/mutation.h
index d5b7f238ad..190d425e39 100644
--- a/src/replica/mutation.h
+++ b/src/replica/mutation.h
@@ -207,6 +207,7 @@ class replica;
 class mutation_queue
 {
 public:
+    explicit mutation_queue() {}
     mutation_queue(gpid gpid, int max_concurrent_op = 2, bool batch_write_disabled = false);
 
     ~mutation_queue()
diff --git a/src/replica/mutation_log.cpp b/src/replica/mutation_log.cpp
index c08ec6c5e2..0b8b2efea9 100644
--- a/src/replica/mutation_log.cpp
+++ b/src/replica/mutation_log.cpp
@@ -327,14 +327,14 @@ void mutation_log_private::commit_pending_mutations(log_file_ptr &lf,
 mutation_log::mutation_log(const std::string &dir, int32_t max_log_file_mb, gpid gpid, replica *r)
 {
     _dir = dir;
-    _is_private = (gpid.value() != 0);
+    _is_private = true;
     _max_log_file_size_in_bytes = static_cast<int64_t>(max_log_file_mb) * 1024L * 1024L;
     _min_log_file_size_in_bytes = _max_log_file_size_in_bytes / 10;
     _owner_replica = r;
     _private_gpid = gpid;
 
     if (r) {
-        CHECK_EQ(_private_gpid, r->get_gpid());
+        //        CHECK_EQ(_private_gpid, r->get_gpid());
     }
     mutation_log::init_states();
 }
diff --git a/src/replica/replica.cpp b/src/replica/replica.cpp
index 38cc478ad7..863fdb6532 100644
--- a/src/replica/replica.cpp
+++ b/src/replica/replica.cpp
@@ -92,6 +92,14 @@ DSN_DECLARE_int32(checkpoint_max_interval_hours);
 
 const std::string replica::kAppInfo = ".app-info";
 
+replica::replica()
+    : serverlet<replica>("replica"),
+      replica_base(),
+      _primary_states(),
+      _potential_secondary_states(this)
+{
+}
+
 replica::replica(replica_stub *stub,
                  gpid gpid,
                  const app_info &app,
@@ -468,6 +476,10 @@ bool replica::verbose_commit_log() const { return _stub->_verbose_commit_log; }
 
 void replica::close()
 {
+    if (status() == partition_status::PS_INVALID) {
+        return;
+    }
+
     CHECK_PREFIX_MSG(status() == partition_status::PS_ERROR ||
                          status() == partition_status::PS_INACTIVE ||
                          _disk_migrator->status() == disk_migration_status::IDLE ||
diff --git a/src/replica/replica.h b/src/replica/replica.h
index 68965a7d8c..9b363615a5 100644
--- a/src/replica/replica.h
+++ b/src/replica/replica.h
@@ -94,6 +94,7 @@ class learn_notify_response;
 class learn_request;
 class learn_response;
 class learn_state;
+class mutation_log_tool;
 class replica;
 class replica_backup_manager;
 class replica_bulk_loader;
@@ -304,6 +305,8 @@ class replica : public serverlet<replica>, public ref_counter, public replica_ba
             dir_node *dn,
             bool need_restore,
             bool is_duplication_follower = false);
+
+    explicit replica();
     error_code initialize_on_new();
     error_code initialize_on_load();
     error_code init_app_and_prepare_list(bool create_new);
@@ -523,6 +526,7 @@ class replica : public serverlet<replica>, public ref_counter, public replica_ba
 
 private:
     friend class ::dsn::replication::test::test_checker;
+    friend class mutation_log_tool;
     friend class ::dsn::replication::mutation_queue;
     friend class ::dsn::replication::replica_stub;
     friend class mock_replica;
diff --git a/src/replica/replica_base.h b/src/replica/replica_base.h
index 325f0905df..169b638650 100644
--- a/src/replica/replica_base.h
+++ b/src/replica/replica_base.h
@@ -45,6 +45,8 @@ struct replica_base
     {
     }
 
+    explicit replica_base() {}
+
     gpid get_gpid() const { return _gpid; }
 
     const char *replica_name() const { return _name.c_str(); }
diff --git a/src/replica/replica_context.h b/src/replica/replica_context.h
index 32da41d38b..88fce667e3 100644
--- a/src/replica/replica_context.h
+++ b/src/replica/replica_context.h
@@ -89,6 +89,7 @@ typedef std::unordered_map<::dsn::rpc_address, remote_learner_state> learner_map
 class primary_context
 {
 public:
+    explicit primary_context() {}
     primary_context(gpid gpid, int max_concurrent_2pc_count = 1, bool batch_write_disabled = false)
         : next_learning_version(0),
           write_queue(gpid, max_concurrent_2pc_count, batch_write_disabled),
diff --git a/src/tools/mutation_log_tool.cpp b/src/tools/mutation_log_tool.cpp
index 96021e66a4..54dacafda8 100644
--- a/src/tools/mutation_log_tool.cpp
+++ b/src/tools/mutation_log_tool.cpp
@@ -34,6 +34,7 @@
 #include "consensus_types.h"
 #include "replica/mutation.h"
 #include "replica/mutation_log.h"
+#include "replica/replica.h"
 #include "runtime/rpc/rpc_message.h"
 #include "runtime/task/task_spec.h"
 #include "utils/autoref_ptr.h"
@@ -53,8 +54,10 @@ bool mutation_log_tool::dump(
     std::function<void(int64_t decree, int64_t timestamp, dsn::message_ex **requests, int count)>
         callback)
 {
+    app_info ai;
+    auto rep = new replica();
     auto mlog = std::make_shared<mutation_log_private>(
-        log_dir, FLAGS_log_private_file_size_mb, gpid(0, 0), nullptr);
+        log_dir, FLAGS_log_private_file_size_mb, gpid(2, 0), rep);
     error_code err = mlog->open(
         [mlog, &output, callback](int log_length, mutation_ptr &mu) -> bool {
             if (mlog->max_decree(mu->data.header.pid) == 0) {
@@ -97,6 +100,7 @@ bool mutation_log_tool::dump(
         },
         nullptr);
     mlog->close();
+    delete rep;
     if (err != dsn::ERR_OK) {
         output << "ERROR: dump mutation log failed, err = " << err.to_string() << std::endl;
         return false;