enhance: add global analyzer options (#44684)

relate: https://github.com/milvus-io/milvus/issues/43687
Add global analyzer options, avoid having to merge some milvus params
into user's analyzer params.

Signed-off-by: aoiasd <zhicheng.yue@zilliz.com>

internal/core/src/segcore/tokenizer_c.cpp

@@ -20,6 +20,18 @@
 
 using Map = std::map<std::string, std::string>;
 
+CStatus
+set_tokenizer_option(const char* params) {
+    SCOPE_CGO_CALL_METRIC();
+
+    try {
+        milvus::tantivy::set_tokenizer_options(params);
+        return milvus::SuccessCStatus();
+    } catch (std::exception& e) {
+        return milvus::FailureCStatus(&e);
+    }
+}
+
 CStatus
 create_tokenizer(const char* params, CTokenizer* tokenizer) {
     SCOPE_CGO_CALL_METRIC();

internal/core/src/segcore/tokenizer_c.h

@@ -13,6 +13,7 @@
 
 #include <stdint.h>
 
+#include "common/common_type_c.h"
 #include "segcore/token_stream_c.h"
 #include "common/type_c.h"
 
@@ -22,6 +23,9 @@ extern "C" {
 
 typedef void* CTokenizer;
 
+CStatus
+set_tokenizer_option(const char* params);
+
 CStatus
 create_tokenizer(const char* params, CTokenizer* tokenizer);
 

internal/core/thirdparty/tantivy/tantivy-binding/include/tantivy-binding.h

@@ -500,6 +500,8 @@ void *tantivy_clone_analyzer(void *ptr);
 
 void tantivy_free_analyzer(void *tokenizer);
 
+RustResult tantivy_set_analyzer_options(const char *params);
+
 bool tantivy_index_exist(const char *path);
 
 }  // extern "C"

internal/core/thirdparty/tantivy/tantivy-binding/src/analyzer/mod.rs

@@ -2,8 +2,10 @@ mod analyzer;
 mod build_in_analyzer;
 mod dict;
 mod filter;
+mod runtime_option;
 
 pub mod tokenizers;
 pub use self::analyzer::{create_analyzer, create_analyzer_by_json};
+pub use self::runtime_option::set_options;
 
 pub(crate) use self::build_in_analyzer::standard_analyzer;

internal/core/thirdparty/tantivy/tantivy-binding/src/analyzer/runtime_option.rs

@@ -0,0 +1,144 @@
+use crate::error::{Result, TantivyBindingError};
+use once_cell::sync::Lazy;
+use serde_json as json;
+use std::collections::HashMap;
+use std::sync::{Arc, RwLock};
+
+static GLOBAL_OPTIONS: Lazy<Arc<RuntimeOption>> = Lazy::new(|| Arc::new(RuntimeOption::new()));
+
+// cache key
+static LINDERA_DOWNLOAD_KEY: &str = "lindera_download_urls";
+static RESOURCE_MAP_KEY: &str = "resource_map";
+
+// normal key
+pub static DEFAULT_DICT_PATH_KEY: &str = "default_dict_path";
+pub static RESOURCE_PATH_KEY: &str = "resource_path";
+
+pub fn set_options(params: &String) -> Result<()> {
+    GLOBAL_OPTIONS.set_json(params)
+}
+
+pub fn get_options(key: &str) -> Option<json::Value> {
+    GLOBAL_OPTIONS.get(key)
+}
+
+pub fn get_lindera_download_url(kind: &str) -> Option<Vec<String>> {
+    GLOBAL_OPTIONS.get_lindera_download_urls(kind)
+}
+
+pub fn get_resource_id(name: &str) -> Option<i64> {
+    GLOBAL_OPTIONS.get_resource_id(name)
+}
+
+// analyzer options
+struct RuntimeOption {
+    inner: RwLock<RuntimeOptionInner>,
+}
+
+impl RuntimeOption {
+    fn new() -> Self {
+        return RuntimeOption {
+            inner: RwLock::new(RuntimeOptionInner::new()),
+        };
+    }
+
+    fn set_json(&self, json_params: &String) -> Result<()> {
+        let mut w = self.inner.write().unwrap();
+        w.set_json(json_params)
+    }
+
+    fn get(&self, key: &str) -> Option<json::Value> {
+        let r = self.inner.read().unwrap();
+        r.params.get(key).map(|v| v.clone())
+    }
+
+    fn get_lindera_download_urls(&self, kind: &str) -> Option<Vec<String>> {
+        let r = self.inner.read().unwrap();
+        r.lindera_download_urls.get(kind).map(|v| v.clone())
+    }
+
+    fn get_resource_id(&self, name: &str) -> Option<i64> {
+        let r = self.inner.read().unwrap();
+        r.resource_map.get(name).cloned()
+    }
+}
+
+struct RuntimeOptionInner {
+    params: HashMap<String, json::Value>,
+    resource_map: HashMap<String, i64>, // resource name -> resource id
+    lindera_download_urls: HashMap<String, Vec<String>>, // dict name -> url
+}
+
+impl RuntimeOptionInner {
+    fn new() -> Self {
+        RuntimeOptionInner {
+            params: HashMap::new(),
+            resource_map: HashMap::new(),
+            lindera_download_urls: HashMap::new(),
+        }
+    }
+
+    fn set_json(&mut self, json_params: &String) -> Result<()> {
+        let v = json::from_str::<json::Value>(json_params)
+            .map_err(|e| TantivyBindingError::JsonError(e))?;
+
+        let m = v.as_object().ok_or(TantivyBindingError::InternalError(
+            "analyzer params should be json map".to_string(),
+        ))?;
+
+        for (key, value) in m.to_owned() {
+            self.set(key, value)?;
+        }
+
+        return Ok(());
+    }
+
+    fn set(&mut self, key: String, value: json::Value) -> Result<()> {
+        // cache linera download map
+        if key == LINDERA_DOWNLOAD_KEY {
+            self.lindera_download_urls = HashMap::new();
+
+            let m = value.as_object().ok_or(TantivyBindingError::InternalError(
+                "lindera download urls should be a json map".to_string(),
+            ))?;
+
+            for (key, value) in m {
+                let array = value.as_array().ok_or(TantivyBindingError::InternalError(
+                    "lindera download urls shoud be list".to_string(),
+                ))?;
+
+                if !array.iter().all(|v| v.is_string()) {
+                    return Err(TantivyBindingError::InternalError(
+                        "all elements in lindera download urls must be string".to_string(),
+                    ));
+                }
+
+                let urls = array
+                    .iter()
+                    .filter_map(|v| v.as_str().map(|s| s.to_string()))
+                    .collect();
+                self.lindera_download_urls.insert(key.to_string(), urls);
+            }
+            return Ok(());
+        }
+
+        if key == RESOURCE_MAP_KEY {
+            self.resource_map = HashMap::new();
+
+            let m = value.as_object().ok_or(TantivyBindingError::InternalError(
+                "lindera download urls should be a json map".to_string(),
+            ))?;
+
+            for (key, value) in m {
+                let url = value.as_i64().ok_or(TantivyBindingError::InternalError(
+                    "lindera download url shoud be string".to_string(),
+                ))?;
+                self.resource_map.insert(key.to_string(), url);
+            }
+            return Ok(());
+        }
+
+        self.params.insert(key, value);
+        return Ok(());
+    }
+}

internal/core/thirdparty/tantivy/tantivy-binding/src/analyzer/tokenizers/lindera_tokenizer.rs

@@ -6,6 +6,7 @@ use lindera::mode::Mode;
 use lindera::segmenter::Segmenter;
 use lindera::token::Token as LToken;
 use lindera::tokenizer::Tokenizer as LTokenizer;
+use log::warn;
 use tantivy::tokenizer::{Token, TokenStream, Tokenizer};
 
 use lindera::token_filter::japanese_compound_word::JapaneseCompoundWordTokenFilter;
@@ -16,7 +17,9 @@ use lindera::token_filter::korean_stop_tags::KoreanStopTagsTokenFilter;
 use lindera::token_filter::BoxTokenFilter as LTokenFilter;
 
 use crate::analyzer::dict::lindera::load_dictionary_from_kind;
-use crate::analyzer::filter::get_string_list;
+use crate::analyzer::runtime_option::{
+    get_lindera_download_url, get_options, DEFAULT_DICT_PATH_KEY,
+};
 use crate::error::{Result, TantivyBindingError};
 use serde_json as json;
 
@@ -25,10 +28,8 @@ pub struct LinderaTokenStream<'a> {
     pub token: &'a mut Token,
 }
 
-const DICTKINDKEY: &str = "dict_kind";
+const DICT_KIND_KEY: &str = "dict_kind";
-const DICTBUILDDIRKEY: &str = "dict_build_dir";
+const FILTER_KEY: &str = "filter";
-const DICTDOWNLOADURLKEY: &str = "download_urls";
-const FILTERKEY: &str = "filter";
 
 impl<'a> TokenStream for LinderaTokenStream<'a> {
     fn advance(&mut self) -> bool {
@@ -67,8 +68,8 @@ impl LinderaTokenizer {
         let kind: DictionaryKind = fetch_lindera_kind(params)?;
 
         // for download dict online
-        let build_dir = fetch_dict_build_dir(params)?;
+        let build_dir = fetch_dict_build_dir()?;
-        let download_urls = fetch_dict_download_urls(params)?;
+        let download_urls = get_lindera_download_url(kind.as_str()).unwrap_or(vec![]);
 
         let dictionary = load_dictionary_from_kind(&kind, build_dir, download_urls)?;
 
@@ -132,7 +133,7 @@ impl DictionaryKindParser for &str {
 
 fn fetch_lindera_kind(params: &json::Map<String, json::Value>) -> Result<DictionaryKind> {
     params
-        .get(DICTKINDKEY)
+        .get(DICT_KIND_KEY)
         .ok_or(TantivyBindingError::InvalidArgument(format!(
             "lindera tokenizer dict_kind must be set"
         )))?
@@ -143,21 +144,13 @@ fn fetch_lindera_kind(params: &json::Map<String, json::Value>) -> Result<Diction
         .into_dict_kind()
 }
 
-fn fetch_dict_build_dir(params: &json::Map<String, json::Value>) -> Result<String> {
+fn fetch_dict_build_dir() -> Result<String> {
-    params
+    get_options(DEFAULT_DICT_PATH_KEY).map_or(Ok("/var/lib/milvus/dict/lindera".to_string()), |v| {
-        .get(DICTBUILDDIRKEY)
+        v.as_str()
-        .map_or(Ok("/var/lib/milvus/dict/lindera".to_string()), |v| {
+            .ok_or(TantivyBindingError::InvalidArgument(format!(
-            v.as_str()
+                "dict build dir must be string"
-                .ok_or(TantivyBindingError::InvalidArgument(format!(
+            )))
-                    "dict build dir must be string"
+            .map(|s| format!("{}/{}", s, "lindera").to_string())
-                )))
-                .map(|s| s.to_string())
-        })
-}
-
-fn fetch_dict_download_urls(params: &json::Map<String, json::Value>) -> Result<Vec<String>> {
-    params.get(DICTDOWNLOADURLKEY).map_or(Ok(vec![]), |v| {
-        get_string_list(v, "lindera dict download urls")
     })
 }
 
@@ -328,7 +321,7 @@ fn fetch_lindera_token_filters(
 ) -> Result<Vec<LTokenFilter>> {
     let mut result: Vec<LTokenFilter> = vec![];
 
-    match params.get(FILTERKEY) {
+    match params.get(FILTER_KEY) {
         Some(v) => {
             let filter_list = v.as_array().ok_or_else(|| {
                 TantivyBindingError::InvalidArgument(format!("lindera filters should be array"))

internal/core/thirdparty/tantivy/tantivy-binding/src/array.rs

@@ -131,6 +131,14 @@ pub struct RustResult {
 }
 
 impl RustResult {
+    pub fn from_success() -> Self {
+        RustResult {
+            success: true,
+            value: Value::None(()),
+            error: std::ptr::null(),
+        }
+    }
+
     pub fn from_ptr(value: *mut c_void) -> Self {
         RustResult {
             success: true,

internal/core/thirdparty/tantivy/tantivy-binding/src/tokenizer_c.rs

@@ -1,8 +1,8 @@
 use libc::{c_char, c_void};
 use tantivy::tokenizer::TextAnalyzer;
 
+use crate::analyzer::{create_analyzer, set_options};
 use crate::{
-    analyzer::create_analyzer,
     array::RustResult,
     log::init_log,
     string_c::c_str_to_str,
@@ -34,3 +34,19 @@ pub extern "C" fn tantivy_clone_analyzer(ptr: *mut c_void) -> *mut c_void {
 pub extern "C" fn tantivy_free_analyzer(tokenizer: *mut c_void) {
     free_binding::<TextAnalyzer>(tokenizer);
 }
+
+#[no_mangle]
+pub extern "C" fn tantivy_set_analyzer_options(params: *const c_char) -> RustResult {
+    init_log();
+    let json_str = unsafe { c_str_to_str(params).to_string() };
+
+    set_options(&json_str).map_or_else(
+        |e| {
+            RustResult::from_error(format!(
+                "set analyzer option failed: {}, params: {}",
+                e, json_str
+            ))
+        },
+        |_| RustResult::from_success(),
+    )
+}

internal/core/thirdparty/tantivy/tokenizer.h

@@ -5,6 +5,7 @@
 #include "rust-hashmap.h"
 #include "tantivy/rust-array.h"
 #include "token-stream.h"
+#include "log/Log.h"
 
 namespace milvus::tantivy {
 
@@ -58,4 +59,14 @@ struct Tokenizer {
     void* ptr_;
 };
 
+void
+set_tokenizer_options(std::string&& params) {
+    auto shared_params = std::make_shared<std::string>(params);
+    auto res =
+        RustResultWrapper(tantivy_set_analyzer_options(shared_params->c_str()));
+    AssertInfo(res.result_->success,
+               "Set analyzer option failed: {}",
+               res.result_->error);
+}
+
 }  // namespace milvus::tantivy

internal/querynodev2/server.go

@@ -55,6 +55,7 @@ import (
 	"github.com/milvus-io/milvus/internal/registry"
 	"github.com/milvus-io/milvus/internal/storage"
 	"github.com/milvus-io/milvus/internal/types"
+	"github.com/milvus-io/milvus/internal/util/analyzer"
 	"github.com/milvus-io/milvus/internal/util/dependency"
 	"github.com/milvus-io/milvus/internal/util/hookutil"
 	"github.com/milvus-io/milvus/internal/util/initcore"
@@ -300,6 +301,8 @@ func (node *QueryNode) Init() error {
 		}
 
 		node.factory.Init(paramtable.Get())
+		// init analyzer options
+		analyzer.InitOptions()
 
 		localRootPath := paramtable.Get().LocalStorageCfg.Path.GetValue()
 		localUsedSize, err := segcore.GetLocalUsedSize(localRootPath)

internal/util/analyzer/analyzer.go

@@ -17,3 +17,7 @@ func NewAnalyzer(param string) (Analyzer, error) {
 func ValidateAnalyzer(param string) error {
 	return canalyzer.ValidateAnalyzer(param)
 }
+
+func InitOptions() {
+	canalyzer.InitOptions()
+}

internal/util/analyzer/canalyzer/c_analyzer_factory.go

@@ -10,21 +10,52 @@ import "C"
 
 import (
 	"encoding/json"
-	"fmt"
+	"sync"
-	"path"
 	"unsafe"
 
+	"go.uber.org/zap"
+
 	"github.com/milvus-io/milvus/internal/util/analyzer/interfaces"
-	"github.com/milvus-io/milvus/pkg/v2/util/merr"
+	"github.com/milvus-io/milvus/pkg/v2/log"
 	"github.com/milvus-io/milvus/pkg/v2/util/paramtable"
 )
 
-func NewAnalyzer(param string) (interfaces.Analyzer, error) {
+const (
-	param, err := CheckAndFillParams(param)
+	LinderaDictURLKey = "lindera_download_urls"
+	ResourceMapKey    = "resource_map"
+	DictPathKey       = "local_dict_path"
+	ResourcePathKey   = "resource_path"
+)
+
+var initOnce sync.Once
+
+func InitOptions() {
+	initOnce.Do(func() {
+		UpdateParams()
+	})
+}
+
+func UpdateParams() {
+	cfg := paramtable.Get()
+	params := map[string]any{}
+	params[LinderaDictURLKey] = cfg.FunctionCfg.LinderaDownloadUrls.GetValue()
+	params[DictPathKey] = cfg.FunctionCfg.LocalResourcePath.GetValue()
+
+	bytes, err := json.Marshal(params)
 	if err != nil {
-		return nil, err
+		log.Panic("init analyzer option failed", zap.Error(err))
 	}
 
+	paramPtr := C.CString(string(bytes))
+	defer C.free(unsafe.Pointer(paramPtr))
+
+	status := C.set_tokenizer_option(paramPtr)
+	if err := HandleCStatus(&status, "failed to init segcore analyzer option"); err != nil {
+		log.Panic("init analyzer option failed", zap.Error(err))
+	}
+}
+
+func NewAnalyzer(param string) (interfaces.Analyzer, error) {
 	paramPtr := C.CString(param)
 	defer C.free(unsafe.Pointer(paramPtr))
 
@@ -38,11 +69,6 @@ func NewAnalyzer(param string) (interfaces.Analyzer, error) {
 }
 
 func ValidateAnalyzer(param string) error {
-	param, err := CheckAndFillParams(param)
-	if err != nil {
-		return err
-	}
-
 	paramPtr := C.CString(param)
 	defer C.free(unsafe.Pointer(paramPtr))
 
@@ -52,91 +78,3 @@ func ValidateAnalyzer(param string) error {
 	}
 	return nil
 }
-
-func CheckAndFillParams(params string) (string, error) {
-	if len(params) == 0 {
-		return "", nil
-	}
-
-	var paramMaps map[string]any
-	flag := false
-	err := json.Unmarshal([]byte(params), &paramMaps)
-	if err != nil {
-		return "", merr.WrapErrAsInputError(fmt.Errorf("unmarshal analyzer params failed with json error: %s", err.Error()))
-	}
-
-	tokenizer, ok := paramMaps["tokenizer"]
-	if !ok {
-		// skip check if no tokenizer params
-		return params, nil
-	}
-
-	switch value := tokenizer.(type) {
-	case string:
-		// return if use build-in tokenizer
-		return params, nil
-	case map[string]any:
-		flag, err = CheckAndFillTokenizerParams(value)
-		if err != nil {
-			return "", err
-		}
-	default:
-		return "", merr.WrapErrAsInputError(fmt.Errorf("analyzer params set tokenizer with unknown type"))
-	}
-
-	// remarshal json params if params map was changed.
-	if flag {
-		bytes, err := json.Marshal(paramMaps)
-		if err != nil {
-			return "", merr.WrapErrAsInputError(fmt.Errorf("marshal analyzer params failed with json error: %s", err.Error()))
-		}
-		return string(bytes), nil
-	}
-	return params, nil
-}
-
-// fill some milvus params to tokenizer params
-func CheckAndFillTokenizerParams(params map[string]any) (bool, error) {
-	v, ok := params["type"]
-	if !ok {
-		return false, merr.WrapErrAsInputError(fmt.Errorf("costom tokenizer must set type"))
-	}
-
-	tokenizerType, ok := v.(string)
-	if !ok {
-		return false, merr.WrapErrAsInputError(fmt.Errorf("costom tokenizer type must be string"))
-	}
-
-	switch tokenizerType {
-	case "lindera":
-		cfg := paramtable.Get()
-
-		if _, ok := params["dict_build_dir"]; ok {
-			return false, merr.WrapErrAsInputError(fmt.Errorf("costom tokenizer dict_build_dir was system params, should not be set"))
-		}
-		// build lindera to LocalResourcePath/lindera/dict_kind
-		params["dict_build_dir"] = path.Join(cfg.FunctionCfg.LocalResourcePath.GetValue(), "lindera")
-
-		v, ok := params["dict_kind"]
-		if !ok {
-			return false, merr.WrapErrAsInputError(fmt.Errorf("lindera tokenizer must set dict_kind"))
-		}
-		dictKind, ok := v.(string)
-		if !ok {
-			return false, merr.WrapErrAsInputError(fmt.Errorf("lindera tokenizer dict kind must be string"))
-		}
-		dictUrlsMap := cfg.FunctionCfg.LinderaDownloadUrls.GetValue()
-
-		if _, ok := params["download_urls"]; ok {
-			return false, merr.WrapErrAsInputError(fmt.Errorf("costom tokenizer download_urls was system params, should not be set"))
-		}
-
-		if value, ok := dictUrlsMap["."+dictKind]; ok {
-			// use download urls set in milvus yaml
-			params["download_urls"] = paramtable.ParseAsStings(value)
-		}
-		return true, nil
-	default:
-		return false, nil
-	}
-}

internal/util/analyzer/canalyzer/c_analyzer_test.go

@@ -12,7 +12,6 @@ import (
 	"google.golang.org/grpc"
 
 	pb "github.com/milvus-io/milvus-proto/go-api/v2/tokenizerpb"
-	"github.com/milvus-io/milvus/pkg/v2/util/paramtable"
 )
 
 type mockServer struct {
@@ -90,7 +89,7 @@ func TestAnalyzer(t *testing.T) {
 		tokenStream := analyzer.NewTokenStream("张华考上了北京大学；李萍进了中等技术学校；我在百货公司当售货员：我们都有光明的前途")
 		defer tokenStream.Destroy()
 		for tokenStream.Advance() {
-			fmt.Println(tokenStream.Token())
+			assert.NotEmpty(t, tokenStream.Token())
 		}
 	}
 
@@ -152,6 +151,8 @@ func TestAnalyzer(t *testing.T) {
 }
 
 func TestValidateAnalyzer(t *testing.T) {
+	InitOptions()
+
 	// valid analyzer
 	{
 		m := "{\"tokenizer\": \"standard\"}"
@@ -172,71 +173,3 @@ func TestValidateAnalyzer(t *testing.T) {
 		assert.Error(t, err)
 	}
 }
-
-func TestCheckAndFillParams(t *testing.T) {
-	paramtable.Init()
-	paramtable.Get().SaveGroup(map[string]string{"function.analyzer.lindera.download_urls.ipadic": "/test/url"})
-
-	// normal case
-	{
-		m := "{\"tokenizer\": {\"type\":\"jieba\"}}"
-		_, err := CheckAndFillParams(m)
-		assert.NoError(t, err)
-	}
-
-	// fill lindera tokenizer download urls and dict local path
-	{
-		m := "{\"tokenizer\": {\"type\":\"lindera\", \"dict_kind\": \"ipadic\"}}"
-		_, err := CheckAndFillParams(m)
-		assert.NoError(t, err)
-	}
-
-	// error with wrong json
-	{
-		m := "{invalid json"
-		_, err := CheckAndFillParams(m)
-		assert.Error(t, err)
-	}
-
-	// skip if use default analyzer
-	{
-		m := "{}"
-		_, err := CheckAndFillParams(m)
-		assert.NoError(t, err)
-	}
-
-	// error tokenizer without type
-	{
-		m := "{\"tokenizer\": {\"dict_kind\": \"ipadic\"}}"
-		_, err := CheckAndFillParams(m)
-		assert.Error(t, err)
-	}
-
-	// error tokenizer type not string
-	{
-		m := "{\"tokenizer\": {\"type\": 1, \"dict_kind\": \"ipadic\"}}"
-		_, err := CheckAndFillParams(m)
-		assert.Error(t, err)
-	}
-
-	// error tokenizer params type
-	{
-		m := "{\"tokenizer\": 1}"
-		_, err := CheckAndFillParams(m)
-		assert.Error(t, err)
-	}
-
-	// error set dict_build_dir by user
-	{
-		m := "{\"tokenizer\": {\"type\": \"lindera\", \"dict_kind\": \"ipadic\", \"dict_build_dir\": \"/tmp/milvus\"}}"
-		_, err := CheckAndFillParams(m)
-		assert.Error(t, err)
-	}
-
-	// error lindera kind not set
-	{
-		m := "{\"tokenizer\": {\"type\": \"lindera\"}}"
-		_, err := CheckAndFillParams(m)
-		assert.Error(t, err)
-	}
-}

pkg/util/paramtable/function_param.go

@@ -141,7 +141,7 @@ func (p *functionConfig) init(base *BaseTable) {
 	p.LocalResourcePath.Init(base.mgr)
 
 	p.LinderaDownloadUrls = ParamGroup{
-		KeyPrefix: "function.analyzer.lindera.download_urls",
+		KeyPrefix: "function.analyzer.lindera.download_urls.",
 		Version:   "2.5.16",
 	}
 	p.LinderaDownloadUrls.Init(base.mgr)

tests/go_client/testcases/query_test.go

@@ -1218,7 +1218,7 @@ func TestRunAnalyzer(t *testing.T) {
 
 	// run analyzer with invalid params
 	_, err = mc.RunAnalyzer(ctx, client.NewRunAnalyzerOption("text doc").WithAnalyzerParamsStr("invalid params}"))
-	common.CheckErr(t, err, false, "json error")
+	common.CheckErr(t, err, false, "JsonError")
 
 	// run analyzer with custom analyzer
 	tokens, err = mc.RunAnalyzer(ctx, client.NewRunAnalyzerOption("test doc").