diff --git a/apps/language_server/lib/language_server/build.ex b/apps/language_server/lib/language_server/build.ex
index a28346ce3..4982c630b 100644
--- a/apps/language_server/lib/language_server/build.ex
+++ b/apps/language_server/lib/language_server/build.ex
@@ -67,7 +67,7 @@ defmodule ElixirLS.LanguageServer.Build do
                   case deps_result do
                     :ok ->
                       if Keyword.get(opts, :compile?) do
-                        {status, compile_diagnostics} = run_mix_compile()
+                        {status, compile_diagnostics} = run_mix_compile(Keyword.get(opts, :force?, false))
 
                         compile_diagnostics =
                           Diagnostics.normalize(compile_diagnostics, root_path, mixfile)
@@ -128,6 +128,7 @@ defmodule ElixirLS.LanguageServer.Build do
           JsonRpc.telemetry("build", %{"elixir_ls.build_result" => result}, %{
             "elixir_ls.build_time" => div(us, 1000)
           })
+          IO.warn("Releasing build lock")
         end)
       end)
 
@@ -265,6 +266,7 @@ defmodule ElixirLS.LanguageServer.Build do
       Code.put_compiler_option(:no_warn_undefined, :all)
 
       # We can get diagnostics if Mixfile fails to load
+      IO.warn("Building mixfile #{mixfile}")
       {mixfile_status, mixfile_diagnostics} =
         case Kernel.ParallelCompiler.compile([mixfile]) do
           {:ok, _, warnings} ->
@@ -351,7 +353,7 @@ defmodule ElixirLS.LanguageServer.Build do
     end
   end
 
-  defp run_mix_compile do
+  defp run_mix_compile(force?) do
     opts = [
       "--return-errors",
       "--ignore-module-conflict",
@@ -365,6 +367,13 @@ defmodule ElixirLS.LanguageServer.Build do
         opts ++ ["--all-warnings"]
       end
 
+    opts =
+      if force? do
+        opts ++ ["--force"]
+      else
+        opts
+      end
+
     case Mix.Task.run("compile", opts) do
       {status, diagnostics} when status in [:ok, :error, :noop] and is_list(diagnostics) ->
         {status, diagnostics}
diff --git a/apps/language_server/lib/language_server/server.ex b/apps/language_server/lib/language_server/server.ex
index 58b458761..5c915deaf 100644
--- a/apps/language_server/lib/language_server/server.ex
+++ b/apps/language_server/lib/language_server/server.ex
@@ -54,6 +54,7 @@ defmodule ElixirLS.LanguageServer.Server do
     build_diagnostics: [],
     dialyzer_diagnostics: [],
     needs_build?: false,
+    full_build_done?: false,
     build_running?: false,
     analysis_ready?: false,
     received_shutdown?: false,
@@ -316,6 +317,7 @@ defmodule ElixirLS.LanguageServer.Server do
         %__MODULE__{build_ref: ref, build_running?: true} = state
       ) do
     state = %{state | build_running?: false}
+    IO.warn("Build end reason: #{inspect(reason)}")
 
     # in case the build was interrupted make sure that cwd is reset to project dir
     case File.cd(state.project_dir) do
@@ -1337,7 +1339,7 @@ defmodule ElixirLS.LanguageServer.Server do
 
   # Build
 
-  defp trigger_build(state = %__MODULE__{project_dir: project_dir}) do
+  defp trigger_build(state = %__MODULE__{project_dir: project_dir, full_build_done?: full_build_done?}) do
     cond do
       not is_binary(project_dir) ->
         state
@@ -1345,7 +1347,8 @@ defmodule ElixirLS.LanguageServer.Server do
       not state.build_running? ->
         opts = [
           fetch_deps?: Map.get(state.settings || %{}, "fetchDeps", false),
-          compile?: Map.get(state.settings || %{}, "autoBuild", true)
+          compile?: Map.get(state.settings || %{}, "autoBuild", true),
+          force?: not full_build_done?
         ]
 
         {_pid, build_ref} =
@@ -1459,7 +1462,7 @@ defmodule ElixirLS.LanguageServer.Server do
       state.project_dir
     )
 
-    state
+    %{state | full_build_done?: if(status == :ok, do: true, else: state.full_build_done?)}
   end
 
   defp handle_dialyzer_result(diagnostics, build_ref, state = %__MODULE__{}) do
@@ -1689,7 +1692,7 @@ defmodule ElixirLS.LanguageServer.Server do
 
     add_watched_extensions(state.server_instance_id, additional_watched_extensions)
 
-    maybe_rebuild(state)
+    # maybe_rebuild(state)
     state = create_gitignore(state)
 
     if state.mix_project? do
@@ -2153,7 +2156,7 @@ defmodule ElixirLS.LanguageServer.Server do
             rescue
               e ->
                 message =
-                  "Unable to reload project: #{Exception.message(e)}"
+                  "Unable to reload project: #{Exception.format(:error, e, __STACKTRACE__)}"
 
                 Logger.error(message)
 
diff --git a/apps/language_server/lib/language_server/tracer.ex b/apps/language_server/lib/language_server/tracer.ex
index 2b52c53bc..6794c34e0 100644
--- a/apps/language_server/lib/language_server/tracer.ex
+++ b/apps/language_server/lib/language_server/tracer.ex
@@ -491,7 +491,9 @@ defmodule ElixirLS.LanguageServer.Tracer do
          {version, ""} <- Integer.parse(text) do
       version
     else
-      _ -> nil
+      other ->
+        IO.warn("Manifest: #{inspect(other)}")
+        nil
     end
   end
 
diff --git a/apps/language_server/test/server_test.exs b/apps/language_server/test/server_test.exs
index 791857ad5..2dd54cfe6 100644
--- a/apps/language_server/test/server_test.exs
+++ b/apps/language_server/test/server_test.exs
@@ -1682,7 +1682,7 @@ defmodule ElixirLS.LanguageServer.ServerTest do
                          "uri" => ^error_file,
                          "diagnostics" => [
                            %{
-                             "message" => "(CompileError) undefined function does_not_exist" <> _,
+                             "message" => "** (CompileError) lib/has_error.ex:4: undefined function does_not_exist" <> _,
                              "range" => %{"end" => %{"line" => 3}, "start" => %{"line" => 3}},
                              "severity" => 1
                            }