i just downloaded eclipse IDE and it's not running out of the box. what do i do? the error log is
!MESSAGE FrameworkEvent ERROR
!STACK 0
org.osgi.framework.BundleException: Could not resolve module: org.eclipse.ant.core [57]
Unresolved requirement: Require-Bundle: org.eclipse.core.variables; bundle-version="[3.1.0,4.0.0)"
-> Bundle-SymbolicName: org.eclipse.core.variables; bundle-version="3.2.800.v20130819-1716"; singleton:="true"
org.eclipse.core.variables [83]
Unresolved requirement: Require-Bundle: org.eclipse.core.runtime; bundle-version="[3.3.0,4.0.0)"
-> Bundle-SymbolicName: org.eclipse.core.runtime; bundle-version="3.11.0.v20150405-1723"; singleton:="true"
org.eclipse.core.runtime [80]
Unresolved requirement: Require-Bundle: org.eclipse.core.jobs; bundle-version="[3.2.0,4.0.0)"; visibility:="reexport"
-> Bundle-SymbolicName: org.eclipse.core.jobs; bundle-version="3.7.0.v20150330-2103"; singleton:="true"
org.eclipse.core.jobs [75]
Unresolved requirement: Require-Capability: osgi.ee; filter:="(&(osgi.ee=JavaSE)(version=1.7))"
at org.eclipse.osgi.container.Module.start(Module.java:434)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1582)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1561)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1533)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1476)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
!ENTRY org.eclipse.ant.launching 4 0 2017-12-26 11:31:52.440
