wxbty opened a new issue, #8386: URL: https://github.com/apache/apisix/issues/8386
### Description I encountered the same error as issue #3725, but I used the dubbo provider exported by java, and the consumer can call it normally. error: curl http://127.0.0.1:9080/demo -H "Host: 127.0.0.1" -X POST --data '{"name": "hello"}' <html> <head><title>500 Internal Server Error</title></head> <body> <center><h1>500 Internal Server Error</h1></center> <hr><center>openresty</center> <p><em>Powered by <a href="https://apisix.apache.org/";>APISIX</a>.</em></p></body> </html> error log: 2022/11/23 12:04:35 [error] 49#49: *282271 lua entry thread aborted: runtime error: /usr/local/apisix/apisix/plugins/dubbo-proxy.lua:58: variable "dubbo_service_name" not found for writing; maybe it is a built-in variable that is not changeable or you forgot to use "set $dubbo_service_name '';" in the config file to define it first stack traceback: coroutine 0: [C]: in function 'error' /usr/local/openresty/lualib/resty/core/var.lua:144: in function '__newindex' /usr/local/apisix/apisix/plugins/dubbo-proxy.lua:58: in function 'phase_func' /usr/local/apisix/apisix/plugin.lua:946: in function 'run_plugin' /usr/local/apisix/apisix/init.lua:602: in function 'http_access_phase' access_by_lua(nginx.conf:326):2: in main chunk, client: 172.18.0.1, server: _, request: "POST /demo HTTP/1.1", host: "127.0.0.1" route cmd: curl http://127.0.0.1:9180/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d ' > { > "host": "127.0.0.1", > "uris": [ > "/demo" > ], > "plugins": { > "dubbo-proxy": { > "service_name": "org.apache.dubbo.springboot.demo.DemoService", > "service_version": "0.0.0", > "method": "sayHello" > } > }, > "upstream_id": 1 > }' {"key":"\/apisix\/routes\/1","value":{"create_time":1669195582,"upstream_id":1,"priority":0,"id":"1","plugins":{"dubbo-proxy":{"service_name":"org.apache.dubbo.springboot.demo.DemoService","service_version":"0.0.0","method":"sayHello"}},"uris":["\/demo"],"status":1,"host":"127.0.0.1","update_time":1669205803}} java provider: @DubboService public class DemoServiceImpl implements DemoService { @Override public Map<String, Object> sayHello(Map<String, Object> params) { System.out.println("Hello " + params.get("name") + ", request from consumer: " + RpcContext.getContext().getRemoteAddress()); Map<String, Object> ret = new HashMap<String, Object>(); ret.put("body", "Hello " + params.get("name")); // http response body ret.put("status", "200"); // http response status ret.put("test", "123"); // http response header return ret; } } generated nginx.conf not exist var dubbo_service_name: # Configuration File - Nginx Server Configs # This is a read-only file, do not try to modify it. master_process on; worker_processes auto; # main configuration snippet starts # main configuration snippet ends error_log logs/error.log warn; pid logs/nginx.pid; worker_rlimit_nofile 20480; events { accept_mutex off; worker_connections 10620; } worker_rlimit_core 16G; worker_shutdown_timeout 240s; env APISIX_PROFILE; env PATH; # for searching external plugin runner's binary thread_pool grpc-client-nginx-module threads=1; lua { } http { # put extra_lua_path in front of the builtin path # so user can override the source code lua_package_path "$prefix/deps/share/lua/5.1/?.lua;$prefix/deps/share/lua/5.1/?/init.lua;/usr/local/apisix/?.lua;/usr/local/apisix/?/init.lua;;/usr/local/apisix/?.lua;./?.lua;/usr/local/openresty/luajit/share/luajit-2.1.0-beta3/?.lua;/usr/local/share/lua/5.1/?.lua;/usr/local/share/lua/5.1/?/init.lua;/usr/local/openresty/luajit/share/lua/5.1/?.lua;/usr/local/openresty/luajit/share/lua/5.1/?/init.lua;;"; lua_package_cpath "$prefix/deps/lib64/lua/5.1/?.so;$prefix/deps/lib/lua/5.1/?.so;;./?.so;/usr/local/lib/lua/5.1/?.so;/usr/local/openresty/luajit/lib/lua/5.1/?.so;/usr/local/lib/lua/5.1/loadall.so;"; lua_max_pending_timers 16384; lua_max_running_timers 4096; lua_shared_dict internal-status 10m; lua_shared_dict upstream-healthcheck 10m; lua_shared_dict worker-events 10m; lua_shared_dict lrucache-lock 10m; lua_shared_dict balancer-ewma 10m; lua_shared_dict balancer-ewma-locks 10m; lua_shared_dict balancer-ewma-last-touched-at 10m; lua_shared_dict etcd-cluster-health-check 10m; # etcd health check # for discovery shared dict lua_shared_dict plugin-limit-conn 10m; lua_shared_dict plugin-limit-req 10m; lua_shared_dict plugin-limit-count 10m; lua_shared_dict plugin-limit-count-redis-cluster-slot-lock 1m; lua_shared_dict prometheus-metrics 10m; lua_shared_dict plugin-api-breaker 10m; # for openid-connect and authz-keycloak plugin lua_shared_dict discovery 1m; # cache for discovery metadata documents # for openid-connect plugin lua_shared_dict jwks 1m; # cache for JWKs lua_shared_dict introspection 10m; # cache for JWT verification results lua_shared_dict cas_sessions 10m; # for authz-keycloak lua_shared_dict access-tokens 1m; # cache for service account access tokens lua_shared_dict ext-plugin 1m; # cache for ext-plugin # for custom shared dict lua_ssl_verify_depth 5; ssl_session_timeout 86400; underscores_in_headers on; lua_socket_log_errors off; resolver 127.0.0.11 ipv6=off; resolver_timeout 5; lua_http10_buffering off; lua_regex_match_limit 100000; lua_regex_cache_max_entries 8192; log_format main escape=default '$remote_addr - $remote_user [$time_local] $http_host "$request" $status $body_bytes_sent $request_time "$http_referer" "$http_user_agent" $upstream_addr $upstream_status $upstream_response_time "$upstream_scheme://$upstream_host$upstream_uri"'; uninitialized_variable_warn off; access_log logs/access.log main buffer=16384 flush=3; open_file_cache max=1000 inactive=60; client_max_body_size 0; keepalive_timeout 60s; client_header_timeout 60s; client_body_timeout 60s; send_timeout 10s; variables_hash_max_size 2048; server_tokens off; include mime.types; charset utf-8; real_ip_header X-Real-IP; real_ip_recursive off; set_real_ip_from 127.0.0.1; set_real_ip_from unix:; # http configuration snippet starts # http configuration snippet ends upstream apisix_backend { server 0.0.0.1; keepalive 320; keepalive_requests 1000; keepalive_timeout 60s; # we put the static configuration above so that we can override it in the Lua code balancer_by_lua_block { apisix.http_balancer_phase() } } apisix_delay_client_max_body_check on; apisix_mirror_on_demand on; init_by_lua_block { require "resty.core" apisix = require("apisix") local dns_resolver = { "127.0.0.11", } local args = { dns_resolver = dns_resolver, } apisix.http_init(args) -- set apisix_lua_home into constans module -- it may be used by plugins to determine the work path of apisix local constants = require("apisix.constants") constants.apisix_lua_home = "/usr/local/apisix" } init_worker_by_lua_block { apisix.http_init_worker() } exit_worker_by_lua_block { apisix.http_exit_worker() } server { listen 0.0.0.0:9092; access_log off; location / { content_by_lua_block { apisix.http_control() } } } server { listen 0.0.0.0:9091; access_log off; location / { content_by_lua_block { local prometheus = require("apisix.plugins.prometheus.exporter") prometheus.export_metrics() } } location = /apisix/nginx_status { allow 127.0.0.0/24; deny all; stub_status; } } server { listen 0.0.0.0:9180; log_not_found off; # admin configuration snippet starts # admin configuration snippet ends set $upstream_scheme 'http'; set $upstream_host $http_host; set $upstream_uri ''; location /apisix/admin { allow 0.0.0.0/0; deny all; content_by_lua_block { apisix.http_admin() } } } upstream apisix_conf_backend { server 0.0.0.0:80; balancer_by_lua_block { local conf_server = require("apisix.conf_server") conf_server.balancer() } } server { listen unix:/usr/local/apisix/conf/config_listen.sock; access_log off; set $upstream_host ''; access_by_lua_block { local conf_server = require("apisix.conf_server") conf_server.access() } location / { proxy_pass http://apisix_conf_backend; proxy_http_version 1.1; proxy_set_header Connection ""; proxy_set_header Host $upstream_host; proxy_next_upstream error timeout non_idempotent http_500 http_502 http_503 http_504; } log_by_lua_block { local conf_server = require("apisix.conf_server") conf_server.log() } } # for proxy cache proxy_cache_path /tmp/disk_cache_one levels=1:2 keys_zone=disk_cache_one:50m inactive=1d max_size=1G use_temp_path=off; lua_shared_dict memory_cache 50m; map $upstream_cache_zone $upstream_cache_zone_info { disk_cache_one /tmp/disk_cache_one,1:2; } server { listen 0.0.0.0:9080 default_server reuseport; listen 0.0.0.0:9443 ssl default_server http2 reuseport; server_name _; ssl_certificate cert/ssl_PLACE_HOLDER.crt; ssl_certificate_key cert/ssl_PLACE_HOLDER.key; ssl_session_cache shared:SSL:20m; ssl_session_timeout 10m; ssl_protocols TLSv1.2 TLSv1.3; ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384; ssl_prefer_server_ciphers on; ssl_session_tickets off; # http server configuration snippet starts # http server configuration snippet ends location = /apisix/nginx_status { allow 127.0.0.0/24; deny all; access_log off; stub_status; } ssl_certificate_by_lua_block { apisix.http_ssl_phase() } proxy_ssl_name $upstream_host; proxy_ssl_server_name on; location / { set $upstream_mirror_uri ''; set $upstream_upgrade ''; set $upstream_connection ''; set $upstream_scheme 'http'; set $upstream_host $http_host; set $upstream_uri ''; set $ctx_ref ''; # http server location configuration snippet starts # http server location configuration snippet ends access_by_lua_block { apisix.http_access_phase() } proxy_http_version 1.1; proxy_set_header Host $upstream_host; proxy_set_header Upgrade $upstream_upgrade; proxy_set_header Connection $upstream_connection; proxy_set_header X-Real-IP $remote_addr; proxy_pass_header Date; ### the following x-forwarded-* headers is to send to upstream server set $var_x_forwarded_for $remote_addr; set $var_x_forwarded_proto $scheme; set $var_x_forwarded_host $host; set $var_x_forwarded_port $server_port; if ($http_x_forwarded_for != "") { set $var_x_forwarded_for "${http_x_forwarded_for}, ${realip_remote_addr}"; } if ($http_x_forwarded_host != "") { set $var_x_forwarded_host $http_x_forwarded_host; } if ($http_x_forwarded_port != "") { set $var_x_forwarded_port $http_x_forwarded_port; } proxy_set_header X-Forwarded-For $var_x_forwarded_for; proxy_set_header X-Forwarded-Proto $var_x_forwarded_proto; proxy_set_header X-Forwarded-Host $var_x_forwarded_host; proxy_set_header X-Forwarded-Port $var_x_forwarded_port; ### the following configuration is to cache response content from upstream server set $upstream_cache_zone off; set $upstream_cache_key ''; set $upstream_cache_bypass ''; set $upstream_no_cache ''; proxy_cache $upstream_cache_zone; proxy_cache_valid any 10s; proxy_cache_min_uses 1; proxy_cache_methods GET HEAD POST; proxy_cache_lock_timeout 5s; proxy_cache_use_stale off; proxy_cache_key $upstream_cache_key; proxy_no_cache $upstream_no_cache; proxy_cache_bypass $upstream_cache_bypass; proxy_pass $upstream_scheme://apisix_backend$upstream_uri; mirror /proxy_mirror; header_filter_by_lua_block { apisix.http_header_filter_phase() } body_filter_by_lua_block { apisix.http_body_filter_phase() } log_by_lua_block { apisix.http_log_phase() } } location @grpc_pass { access_by_lua_block { apisix.grpc_access_phase() } # For servers which obey the standard, when `:authority` is missing, # `host` will be used instead. When used with apisix-base, we can do # better by setting `:authority` directly grpc_set_header ":authority" $upstream_host; grpc_set_header Content-Type application/grpc; grpc_socket_keepalive on; grpc_pass $upstream_scheme://apisix_backend; header_filter_by_lua_block { apisix.http_header_filter_phase() } body_filter_by_lua_block { apisix.http_body_filter_phase() } log_by_lua_block { apisix.http_log_phase() } } location = /proxy_mirror { internal; proxy_connect_timeout 60s; proxy_read_timeout 60s; proxy_send_timeout 60s; proxy_http_version 1.1; proxy_set_header Host $upstream_host; proxy_pass $upstream_mirror_uri; } } # http end configuration snippet starts # http end configuration snippet ends } ### Environment - APISIX version (run `apisix version`): 3.0.0 - Operating system (run `uname -a`): mac m1 - OpenResty / Nginx version (run `openresty -V` or `nginx -V`): openresty/1.21.4.1;built by gcc 10.2.1 20210110 (Debian 10.2.1-6);built with OpenSSL 1.1.1n 15 Mar 2022 - etcd version, if relevant (run `curl http://127.0.0.1:9090/v1/server_info`): - APISIX Dashboard version, if relevant: - Plugin runner version, for issues related to plugin runners: - LuaRocks version, for installation issues (run `luarocks --version`): -- This is an automated message from the Apache Git Service. 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