SQL Developer with JDK 64 bit cannot find JVM

Question

I just wasted one morning trying to get SQL developer to work on my current setup   OS  Windows 8 1 virtual machine running on mac via Parallels  No oracle client or instant client installed No Java installed  The reproducible steps are  I downloaded SQL Developer for Windows with JDK  all 64-bit  and unzipped it to C  Program Files   I double clicked on C  Program Files sqldeveloper sqldeveloper exe  I get the following message   Unable to launch the Java Virtual Machine Located at path  C  Program Files sqldeveloper jdk jre bin server jvm dll  Can someone please help me  I also tried first installing Java 1 8  64 bit  and then the SQL developer version without Java  This doesn t work either  When I select the location of the JDK home  it also sent one error message saying that it couldn t find any JVMs where I said  To add insult to injury  every time I follow this procedure  the Panda antivirus tells me that sqldeveloper is infected  deletes the file and encourages me to restart  Can someone please help me  I would mostly appreciate  Thank you very much in advance

User · Answer

I know that people may frown on a youtube example but this worked for me and I was getting the same issue https://www.youtube.com/watch?v=ex1dyu0Px8U

It will direct you to add the correct Environmental Variables for the JDK.

System Properties>Advanced>Environment Variables>Path> \sqldeveloper\jdk\bin AND \sqldeveloper\jdk\bin\server

User · Answer

Installing jdk1 8 0 211 and setting the below variable in product conf  located in C  Users  AppData Roaming sqldeveloper 19 1 0  to JDK8 home worked for me     SetJavaHome D  jdk1 8 0 211

User · Answer

This is because sqldeveloper conf has an entry for the java home being used  look at this solution

User · Answer

If folder sqldeveloper jdk doesn t contain folder bin   you can copy folder bin from folder sqldeveloper jdk jre into sqldeveloper jdk

User · Answer

I have followed the steps and it worked just fine   1  Open the file present at     sqldeveloper-3 2 20 09 87 sqldeveloper sqldeveloper bin sqldeveloper conf and delete the line with setJavaHome xxx    2  Click on Sqldeveloper exe now and browse for the java exe present in  sqldeveloper-3 2 20 09 87 sqldeveloper jdk jre bin  3  This should launch SqlDeveloper now    Thanks

User · Answer

I had the same problem and solved it by copying the MSVCR100 dll file from sqldeveloper jdk jre bin to the sqldeveloper sqldeveloper bin folder  Credit goes to Erik Anderson from SQL Developer failed to start  Note that different versions of SQL Developer need different versions of MSVCR  dll  Various comments below have offered which versions worked for them

User · Answer

I had the same problem  The point here is to point on the java exe binary under Oracle client installation and not the JDK installation under Program Files

User · Answer

For Windows Users  If anyone downloaded a non-jre version and faced issue  then later trying with the JRE version and still facing the issue  you need to delete SQLDeveloper folder inside  quot  AppData  sqldeveloper quot   After deleting try opening sqldeveloper exe again

User · Answer

Step 1  go to C  Users lt you gt  AppData Roaming  delete the whole folder  sqldeveloper  Step 2  click on your shortcut sqldeveloper to start Sql developer Step 3  the window will popup again to ask for a JRE location  choose a suitable one  If it still doesn t work  execute again from step 1 to 3  remember to change JRE location every time until it works

User · Answer

Create directory  bin  in  D  sqldeveloper jdk  Copy  msvcr100 dll from  D  sqldeveloper jdk jre bin to  D  sqldeveloper jdk bin

User · Answer

I was trying to use the sqldeveloper that comes with the Oracle installation under   C  oracle product 11 2 0 dbhome 1 sqldeveloper   I tried most of the suggestions in this post to no avail  so I downloaded the one from oracle s download page  you must register  which asks for the location of the jdk folder  rather than the location of java exe    This worked for me without any problems

User · Answer

I had a similar issue when opening the sql developer it gave me the below error  Unable to launch the Java Virtual Machine due to missing file MSVCR100 DLL  I was using JDK 8 and windows 64 bit version  Also I downloaded the oracle sql developer software with no jdk jre option since I already have jdk 8 installed in my system  While double clicking the sqldeveloper exe file  it asked me to input the path of the JDK  I gave the path and then it gave me the  JVM MSVCR100 DLL error  I checked inside the C  Program Files Java jdk1 8 0 271 jre bin and couldnt find the MSVCR100 DLL file there  Then after searching the microsoft forum  understood this dll is part of the 64Bit  Microsoft Visual C   2010 SP1 Redistributable Package  x64   After installing the above microsoft package I am able to find the dll under C  Windows System32 Then did the below   Copied the C  Windows System32 msvcr100 dll -- gt  C  Program Files Java jdk1 8 0 271 jre bin  This resolved the error and I was able to open up the Oracle SQL developer when it found the right dll

User · Answer

I run into the same error message when trying to install SQL Developer from  Windows 64-bit with JDK 8 included  zip file in my Windows 10 Enterprise    Launching the most recent SQL Developer version 4 1 3 in Windows 10 shows an error   Unable to launch the Java Virtual Machine Located at path  C  Users  lt USER gt  Downloads sqldeveloper-4 1 3 20 78-x64 sqldeveloper jdk jre bin server jvm dll   The path exists and is valid   The same zip file works on Windows 7 Professional   The problem was a missing msvcr100 dll   I simply copied C  Program Files Oracle VirtualBox msvrc100 dll to C  Users  lt USER gt  Downloads sqldeveloper-4 1 3 20 78-x64 sqldeveloper sqldeveloper bin  and SQL Developer started to work   The details can be found from Issue running SQL Developer x64 4 1 3 with JDK   Funny that Oracle VirtualBox team can include the dll into the installation package but Oracle SQL Developer team can t

User · Answer

This looks like you might not have enough memory allocated to your Windows VM  If the JVM is configured to use more  maximum  memory than is available then you ll get this sort of error message   You can read more about SQL Developer s memory at  that  Jeff Smith s blog   The default settings still seem to be -Xms128m -Xmx800m  I can generate a similar error by setting -Xmx to be large than the physical RAM in my  physical  PC  So with the default settings  you will have problems if you don t have 800m of memory allocated to Windows  That doesn t seem like much  but it seems to be in the recommended window based on this knowledgebase article   While you could attempt to reduce the JVM requirements in your product conf file that will likely lead to other issues later  if it works at all  So increase your Windows VM memory allocation  reboot  and try to launch SQL Developer again

User · Answer

Today I try to use oracle client 64 and failed connect Connection Identifier which is defined at tnsnames ora file  I assume that  try to connect Oracle 32 Bit Server using SQL Developer 64 bit  That is why I install new jdk x86 and trying to change jdk path but this error happened     Trying to download SQL Developer 32 Bit  but at the site said that the bundle support both 32 bit and 64 bit depend on java installed       Windows 32-bit 64-bit  This archive  will work on a 32 or 64 bit   Windows OS  The bit level of the JDK you install will determine if it   runs as a 32 or 64 bit application  This download does not include the   required Oracle Java JDK  You will need to install it if it s not   already on your machine    My java home is 64 bit  New installed 32 bit jdk is not set at java home   I need to open  User dir AppData Roaming sqldeveloper version product conf  Remove line SetJavaHome C  Program Files Java jdk1 8 0 201  Start sqldeveloper exe instead of sqldeveloper64W exe  New popup will shown and choose java home to new jdk version  32 bit mine     C  Program Files  x86  Java jdk1 8 0 201   My fault  I pin sqldeveloper64W exe to taskbar  why that error occured then after I move cursor and it was sqldeveloper64W exe  I try to click sqldeveloper exe  then I found that my setting is goes well   So check it maybe it was happened on your system too  If sqldeveloper exe does not working  try to choose sqldeveloper64W exe   Now I can call my Connection Identifier which is defined at tnsnames ora using new setting SQL developer 32 bit mode

User · Answer

Create directory bin in  D  sqldeveloper jdk    Copy  msvcr100 dll   from  D  sqldeveloper jdk jre bin   to  D  sqldeveloper jdk bin

User · Answer

Depending on the issue  whether it s JAVA home path not correctly set or missing msvcr100 dll file  follow the below methods to rectify the problem   1  Issue with JAVA home path not correctly set   Follow these steps    Go to directory where SQL Developer is installed  Open the  bin directory  Open sqldeveloper conf in any editor to edit  Remove the complete line starting with  SetJavaHome  Save and close the file Start SQL Developer again  Provide the full path for java exe on prompt    2  Issue with missing msvcr100 dll file   OP stated the following in his comments below      If I first install the jdk and then sql developer without Java  it   tells me Unable to launch the Java Virtual Machine Located at path    C  Program Files Java jdk1 8 0 45 bin msvcr100 dll   So  the error message is clear   Unable to launch the Java Virtual Machine Located at path   C  Program Files Java jdk1 8 0 45 bin msvcr100 dll   Follow these steps   copy    MSVCR100 dll   from   sqldeveloper jdk jre bin   to   sqldeveloper sqldeveloper bin   And relaunch SQL Developer again   What is msvcr100 dll file    msvcr100 dll is a part of Microsoft Visual C   and is required to run programs developed with Visual C    Some applications like SQL Developer in the question  needs the file in the SQL Developer installation folder    What options are available to fix the issue    Copying it from Windows systemfolder to the installation folder of application should fix the problem  Also  you could add the PATH to the msvcr100 dll file based on 32 64 bit requirements  If the local file itself is deleted or corrupt by any chance  then it could be downloaded online or could also be reinstalled via Microsoft visual C   2010 Redistributable package  It is important to use the correct version based on the software  Use the 32bit dll file for 32bit software  and 64bit dll file for 64bit software

User · Answer

I couldn t find the file in C  Program Files Java jdk1 8 0 261 jre bin  My sqldeveloper came without jre at all so what it worked for me was copying the file from an older Oracle jre release to C  Program Files Java jdk1 8 0 261 jre bin

[java] SQL Developer with JDK (64 bit) cannot find JVM

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