The State Bar of California on Wednesday launched an independent investigation of its February bar exam, a newly created test that was marred by widespread technical and logistical problems.

Many aspiring lawyers could not access the test and cited delays or other issues. A lawmaker has called for an investigation.

The State Bar of California has launched an independent investigation into the disastrous rollout of its February bar exam, a newly designed test that was riddled with technical and logistical ...