java.lang.NullPointerException: lock == null

Stack Overflow | yangrenhao | 5 months ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    AndroidStudio Robotium web:java.lang.NullPointerException: lock == null

    Stack Overflow | 5 months ago | yangrenhao
    java.lang.NullPointerException: lock == null
  2. 0

    Android Studio running JS java.lang.NullPointerException

    GitHub | 5 months ago | yangrenhao
    java.lang.NullPointerException: lock == null
  3. Speed up your debug routine!

    Automated exception search integrated into your IDE

  4. 0

    GitHub comment 50#27616622

    GitHub | 3 years ago | maddoxik
    java.lang.NullPointerException: lock == null
  5. 0

    asInputStream() caused NullPointerException

    GitHub | 2 years ago | gythialy
    java.lang.NullPointerException: lock == null

  1. tyson925 1 times, last 7 days ago
  2. tzrlk 1 times, last 1 week ago
  3. poroszd 1 times, last 2 months ago
  4. SteVio1989 1 times, last 2 months ago
  5. Handemelindo 1 times, last 4 months ago
8 more registered users
18 unregistered visitors
Not finding the right solution?
Take a tour to get the most out of Samebug.

Tired of useless tips?

Automated exception search integrated into your IDE

Root Cause Analysis

  1. java.lang.NullPointerException

    lock == null

    at java.io.Reader.<init>()
  2. Java RT
    InputStreamReader.<init>
    1. java.io.Reader.<init>(Reader.java:64)
    2. java.io.InputStreamReader.<init>(InputStreamReader.java:122)
    3. java.io.InputStreamReader.<init>(InputStreamReader.java:59)
    3 frames
  3. com.robotium.solo
    Solo.waitForWebElement
    1. com.robotium.solo.WebUtils.getJavaScriptAsString(WebUtils.java:354)
    2. com.robotium.solo.WebUtils.prepareForStartOfJavascriptExecution(WebUtils.java:162)
    3. com.robotium.solo.WebUtils.executeJavaScriptFunction(WebUtils.java:276)
    4. com.robotium.solo.WebUtils.executeJavaScript(WebUtils.java:238)
    5. com.robotium.solo.WebUtils.getWebElements(WebUtils.java:111)
    6. com.robotium.solo.Searcher.searchForWebElement(Searcher.java:238)
    7. com.robotium.solo.Waiter.waitForWebElement(Waiter.java:498)
    8. com.robotium.solo.Solo.waitForWebElement(Solo.java:672)
    8 frames